1987403460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1362

約数の個数: 192

約数和(自身を含む): 6578675712

約数和(自身を除く): 4591272252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 83, 84, 94, 105, 140, 141, 166, 188, 210, 235, 249, 282, 329, 332, 415, 420, 470, 498, 564, 581, 658, 705, 830, 940, 987, 996, 1162, 1213, 1245, 1316, 1410, 1645, 1660, 1743, 1974, 2324, 2426, 2490, 2820, 2905, 3290, 3486, 3639, 3901, 3948, 4852, 4935, 4980, 5810, 6065, 6580, 6972, 7278, 7802, 8491, 8715, 9870, 11620, 11703, 12130, 14556, 15604, 16982, 17430, 18195, 19505, 19740, 23406, 24260, 25473, 27307, 33964, 34860, 36390, 39010, 42455, 46812, 50946, 54614, 57011, 58515, 72780, 78020, 81921, 84910, 100679, 101892, 109228, 114022, 117030, 127365, 136535, 163842, 169820, 171033, 201358, 228044, 234060, 254730, 273070, 285055, 302037, 327684, 342066, 399077, 402716, 409605, 503395, 509460, 546140, 570110, 604074, 684132, 704753, 798154, 819210, 855165, 1006790, 1140220, 1197231, 1208148, 1409506, 1510185, 1596308, 1638420, 1710330, 1995385, 2013580, 2114259, 2394462, 2819012, 3020370, 3420660, 3523765, 3990770, 4228518, 4731913, 4788924, 5986155, 6040740, 7047530, 7981540, 8457036, 9463826, 10571295, 11972310, 14095060, 14195739, 18927652, 21142590, 23659565, 23944620, 28391478, 33123391, 42285180, 47319130, 56782956, 66246782, 70978695, 94638260, 99370173, 132493564, 141957390, 165616955, 198740346, 283914780, 331233910, 397480692, 496850865, 662467820, 993701730, 1987403460]

約数ペア:

[(1, 1987403460), (2, 993701730), (3, 662467820), (4, 496850865), (5, 397480692), (6, 331233910), (7, 283914780), (10, 198740346), (12, 165616955), (14, 141957390), (15, 132493564), (20, 99370173), (21, 94638260), (28, 70978695), (30, 66246782), (35, 56782956), (42, 47319130), (47, 42285180), (60, 33123391), (70, 28391478), (83, 23944620), (84, 23659565), (94, 21142590), (105, 18927652), (140, 14195739), (141, 14095060), (166, 11972310), (188, 10571295), (210, 9463826), (235, 8457036), (249, 7981540), (282, 7047530), (329, 6040740), (332, 5986155), (415, 4788924), (420, 4731913), (470, 4228518), (498, 3990770), (564, 3523765), (581, 3420660), (658, 3020370), (705, 2819012), (830, 2394462), (940, 2114259), (987, 2013580), (996, 1995385), (1162, 1710330), (1213, 1638420), (1245, 1596308), (1316, 1510185), (1410, 1409506), (1645, 1208148), (1660, 1197231), (1743, 1140220), (1974, 1006790), (2324, 855165), (2426, 819210), (2490, 798154), (2820, 704753), (2905, 684132), (3290, 604074), (3486, 570110), (3639, 546140), (3901, 509460), (3948, 503395), (4852, 409605), (4935, 402716), (4980, 399077), (5810, 342066), (6065, 327684), (6580, 302037), (6972, 285055), (7278, 273070), (7802, 254730), (8491, 234060), (8715, 228044), (9870, 201358), (11620, 171033), (11703, 169820), (12130, 163842), (14556, 136535), (15604, 127365), (16982, 117030), (17430, 114022), (18195, 109228), (19505, 101892), (19740, 100679), (23406, 84910), (24260, 81921), (25473, 78020), (27307, 72780), (33964, 58515), (34860, 57011), (36390, 54614), (39010, 50946), (42455, 46812)]