221421690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 729855360

約数和(自身を除く): 508433670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 37, 42, 45, 46, 49, 59, 63, 69, 70, 74, 90, 98, 105, 111, 115, 118, 126, 138, 147, 161, 177, 185, 207, 210, 222, 230, 245, 259, 294, 295, 315, 322, 333, 345, 354, 370, 413, 414, 441, 483, 490, 518, 531, 555, 590, 630, 666, 690, 735, 777, 805, 826, 851, 882, 885, 966, 1035, 1062, 1110, 1127, 1239, 1295, 1357, 1449, 1470, 1554, 1610, 1665, 1702, 1770, 1813, 2065, 2070, 2183, 2205, 2254, 2331, 2415, 2478, 2553, 2590, 2655, 2714, 2891, 2898, 3330, 3381, 3626, 3717, 3885, 4071, 4130, 4255, 4366, 4410, 4662, 4830, 5106, 5310, 5439, 5635, 5782, 5957, 6195, 6549, 6762, 6785, 7245, 7434, 7659, 7770, 8142, 8510, 8673, 9065, 9499, 10143, 10878, 10915, 11270, 11655, 11914, 12213, 12390, 12765, 13098, 13570, 14455, 14490, 15281, 15318, 16317, 16905, 17346, 17871, 18130, 18585, 18998, 19647, 20286, 20355, 21830, 23310, 24426, 25530, 26019, 27195, 28497, 28910, 29785, 30562, 32634, 32745, 33810, 35742, 37170, 38295, 39294, 40710, 41699, 43365, 45843, 47495, 50209, 50715, 52038, 53613, 54390, 56994, 59570, 61065, 65490, 66493, 76405, 76590, 81585, 83398, 85491, 86730, 89355, 91686, 94990, 98235, 100418, 101430, 106967, 107226, 122130, 125097, 130095, 132986, 137529, 142485, 150627, 152810, 163170, 170982, 178710, 196470, 199479, 208495, 213934, 229215, 250194, 251045, 260190, 268065, 275058, 284970, 301254, 320901, 332465, 351463, 375291, 398958, 416990, 427455, 451881, 458430, 502090, 534835, 536130, 598437, 625485, 641802, 664930, 687645, 702926, 750582, 753135, 854910, 903762, 962703, 997395, 1054389, 1069670, 1196874, 1250970, 1375290, 1506270, 1604505, 1757315, 1876455, 1925406, 1994790, 2108778, 2259405, 2460241, 2992185, 3163167, 3209010, 3514630, 3752910, 4518810, 4813515, 4920482, 5271945, 5984370, 6326334, 7380723, 9627030, 10543890, 12301205, 14761446, 15815835, 22142169, 24602410, 31631670, 36903615, 44284338, 73807230, 110710845, 221421690]

約数ペア:

[(1, 221421690), (2, 110710845), (3, 73807230), (5, 44284338), (6, 36903615), (7, 31631670), (9, 24602410), (10, 22142169), (14, 15815835), (15, 14761446), (18, 12301205), (21, 10543890), (23, 9627030), (30, 7380723), (35, 6326334), (37, 5984370), (42, 5271945), (45, 4920482), (46, 4813515), (49, 4518810), (59, 3752910), (63, 3514630), (69, 3209010), (70, 3163167), (74, 2992185), (90, 2460241), (98, 2259405), (105, 2108778), (111, 1994790), (115, 1925406), (118, 1876455), (126, 1757315), (138, 1604505), (147, 1506270), (161, 1375290), (177, 1250970), (185, 1196874), (207, 1069670), (210, 1054389), (222, 997395), (230, 962703), (245, 903762), (259, 854910), (294, 753135), (295, 750582), (315, 702926), (322, 687645), (333, 664930), (345, 641802), (354, 625485), (370, 598437), (413, 536130), (414, 534835), (441, 502090), (483, 458430), (490, 451881), (518, 427455), (531, 416990), (555, 398958), (590, 375291), (630, 351463), (666, 332465), (690, 320901), (735, 301254), (777, 284970), (805, 275058), (826, 268065), (851, 260190), (882, 251045), (885, 250194), (966, 229215), (1035, 213934), (1062, 208495), (1110, 199479), (1127, 196470), (1239, 178710), (1295, 170982), (1357, 163170), (1449, 152810), (1470, 150627), (1554, 142485), (1610, 137529), (1665, 132986), (1702, 130095), (1770, 125097), (1813, 122130), (2065, 107226), (2070, 106967), (2183, 101430), (2205, 100418), (2254, 98235), (2331, 94990), (2415, 91686), (2478, 89355), (2553, 86730), (2590, 85491), (2655, 83398), (2714, 81585), (2891, 76590), (2898, 76405), (3330, 66493), (3381, 65490), (3626, 61065), (3717, 59570), (3885, 56994), (4071, 54390), (4130, 53613), (4255, 52038), (4366, 50715), (4410, 50209), (4662, 47495), (4830, 45843), (5106, 43365), (5310, 41699), (5439, 40710), (5635, 39294), (5782, 38295), (5957, 37170), (6195, 35742), (6549, 33810), (6762, 32745), (6785, 32634), (7245, 30562), (7434, 29785), (7659, 28910), (7770, 28497), (8142, 27195), (8510, 26019), (8673, 25530), (9065, 24426), (9499, 23310), (10143, 21830), (10878, 20355), (10915, 20286), (11270, 19647), (11655, 18998), (11914, 18585), (12213, 18130), (12390, 17871), (12765, 17346), (13098, 16905), (13570, 16317), (14455, 15318), (14490, 15281)]