20228370890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:781

約数の個数: 256

約数和(自身を含む): 49662885888

約数和(自身を除く): 29434514998

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 43, 47, 65, 70, 85, 86, 91, 94, 119, 130, 170, 182, 215, 221, 235, 238, 301, 329, 430, 442, 455, 470, 559, 595, 602, 611, 647, 658, 731, 799, 910, 1105, 1118, 1190, 1222, 1294, 1462, 1505, 1547, 1598, 1645, 2021, 2210, 2795, 3010, 3055, 3094, 3235, 3290, 3655, 3913, 3995, 4042, 4277, 4529, 5117, 5590, 5593, 6110, 6470, 7310, 7735, 7826, 7990, 8411, 8554, 9058, 9503, 10105, 10234, 10387, 10999, 11186, 14147, 15470, 16822, 19006, 19565, 20210, 20774, 21385, 21998, 22645, 25585, 26273, 27821, 27965, 28294, 30409, 34357, 39130, 42055, 42770, 45290, 47515, 51170, 51935, 52546, 54995, 55642, 55930, 58877, 60818, 66521, 68714, 70735, 72709, 76993, 84110, 95030, 103870, 109990, 117754, 131365, 133042, 139105, 141470, 142987, 145418, 152045, 153986, 171785, 183911, 194747, 212863, 240499, 262730, 278210, 285974, 294385, 304090, 332605, 343570, 361673, 363545, 367822, 384965, 389494, 395317, 425726, 446641, 472957, 480998, 516953, 588770, 665210, 714935, 723346, 727090, 769930, 790634, 893282, 919555, 945914, 973735, 1000909, 1033906, 1064315, 1202495, 1307587, 1429870, 1808365, 1839110, 1947470, 1976585, 2001818, 2128630, 2233205, 2364785, 2404990, 2531711, 2584765, 2615174, 2767219, 3126487, 3310699, 3616730, 3618671, 3953170, 4466410, 4729570, 5004545, 5063422, 5169530, 5534438, 6148441, 6252974, 6537935, 6621398, 6720389, 7237342, 9153109, 10009090, 12296882, 12658555, 13075870, 13440778, 13836095, 15632435, 16553495, 16998631, 18093355, 18306218, 22228979, 25317110, 27672190, 30742205, 31264870, 33106990, 33601945, 33997262, 36186710, 43039087, 44457958, 45765545, 47042723, 61484410, 67203890, 84993155, 86078174, 91531090, 94085446, 111144895, 118990417, 155602853, 169986310, 215195435, 222289790, 235213615, 237980834, 288976727, 311205706, 430390870, 470427230, 577953454, 594952085, 778014265, 1189904170, 1444883635, 1556028530, 2022837089, 2889767270, 4045674178, 10114185445, 20228370890]

約数ペア:

[(1, 20228370890), (2, 10114185445), (5, 4045674178), (7, 2889767270), (10, 2022837089), (13, 1556028530), (14, 1444883635), (17, 1189904170), (26, 778014265), (34, 594952085), (35, 577953454), (43, 470427230), (47, 430390870), (65, 311205706), (70, 288976727), (85, 237980834), (86, 235213615), (91, 222289790), (94, 215195435), (119, 169986310), (130, 155602853), (170, 118990417), (182, 111144895), (215, 94085446), (221, 91531090), (235, 86078174), (238, 84993155), (301, 67203890), (329, 61484410), (430, 47042723), (442, 45765545), (455, 44457958), (470, 43039087), (559, 36186710), (595, 33997262), (602, 33601945), (611, 33106990), (647, 31264870), (658, 30742205), (731, 27672190), (799, 25317110), (910, 22228979), (1105, 18306218), (1118, 18093355), (1190, 16998631), (1222, 16553495), (1294, 15632435), (1462, 13836095), (1505, 13440778), (1547, 13075870), (1598, 12658555), (1645, 12296882), (2021, 10009090), (2210, 9153109), (2795, 7237342), (3010, 6720389), (3055, 6621398), (3094, 6537935), (3235, 6252974), (3290, 6148441), (3655, 5534438), (3913, 5169530), (3995, 5063422), (4042, 5004545), (4277, 4729570), (4529, 4466410), (5117, 3953170), (5590, 3618671), (5593, 3616730), (6110, 3310699), (6470, 3126487), (7310, 2767219), (7735, 2615174), (7826, 2584765), (7990, 2531711), (8411, 2404990), (8554, 2364785), (9058, 2233205), (9503, 2128630), (10105, 2001818), (10234, 1976585), (10387, 1947470), (10999, 1839110), (11186, 1808365), (14147, 1429870), (15470, 1307587), (16822, 1202495), (19006, 1064315), (19565, 1033906), (20210, 1000909), (20774, 973735), (21385, 945914), (21998, 919555), (22645, 893282), (25585, 790634), (26273, 769930), (27821, 727090), (27965, 723346), (28294, 714935), (30409, 665210), (34357, 588770), (39130, 516953), (42055, 480998), (42770, 472957), (45290, 446641), (47515, 425726), (51170, 395317), (51935, 389494), (52546, 384965), (54995, 367822), (55642, 363545), (55930, 361673), (58877, 343570), (60818, 332605), (66521, 304090), (68714, 294385), (70735, 285974), (72709, 278210), (76993, 262730), (84110, 240499), (95030, 212863), (103870, 194747), (109990, 183911), (117754, 171785), (131365, 153986), (133042, 152045), (139105, 145418), (141470, 142987)]