408041620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 1066843008

約数和(自身を除く): 658801388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 49, 70, 86, 92, 98, 115, 140, 161, 172, 196, 215, 230, 245, 301, 322, 421, 430, 460, 490, 602, 644, 805, 842, 860, 980, 989, 1127, 1204, 1505, 1610, 1684, 1978, 2105, 2107, 2254, 2947, 3010, 3220, 3956, 4210, 4214, 4508, 4945, 5635, 5894, 6020, 6923, 8420, 8428, 9683, 9890, 10535, 11270, 11788, 13846, 14735, 18103, 19366, 19780, 20629, 21070, 22540, 27692, 29470, 34615, 36206, 38732, 41258, 42140, 48415, 48461, 58940, 67781, 69230, 72412, 82516, 90515, 96830, 96922, 103145, 126721, 135562, 138460, 181030, 193660, 193844, 206290, 242305, 253442, 271124, 338905, 362060, 412580, 416369, 474467, 484610, 506884, 633605, 677810, 832738, 887047, 948934, 969220, 1267210, 1355620, 1665476, 1774094, 1897868, 2081845, 2372335, 2534420, 2914583, 3548188, 4163690, 4435235, 4744670, 5829166, 8327380, 8870470, 9489340, 11658332, 14572915, 17740940, 20402081, 29145830, 40804162, 58291660, 81608324, 102010405, 204020810, 408041620]

約数ペア:

[(1, 408041620), (2, 204020810), (4, 102010405), (5, 81608324), (7, 58291660), (10, 40804162), (14, 29145830), (20, 20402081), (23, 17740940), (28, 14572915), (35, 11658332), (43, 9489340), (46, 8870470), (49, 8327380), (70, 5829166), (86, 4744670), (92, 4435235), (98, 4163690), (115, 3548188), (140, 2914583), (161, 2534420), (172, 2372335), (196, 2081845), (215, 1897868), (230, 1774094), (245, 1665476), (301, 1355620), (322, 1267210), (421, 969220), (430, 948934), (460, 887047), (490, 832738), (602, 677810), (644, 633605), (805, 506884), (842, 484610), (860, 474467), (980, 416369), (989, 412580), (1127, 362060), (1204, 338905), (1505, 271124), (1610, 253442), (1684, 242305), (1978, 206290), (2105, 193844), (2107, 193660), (2254, 181030), (2947, 138460), (3010, 135562), (3220, 126721), (3956, 103145), (4210, 96922), (4214, 96830), (4508, 90515), (4945, 82516), (5635, 72412), (5894, 69230), (6020, 67781), (6923, 58940), (8420, 48461), (8428, 48415), (9683, 42140), (9890, 41258), (10535, 38732), (11270, 36206), (11788, 34615), (13846, 29470), (14735, 27692), (18103, 22540), (19366, 21070), (19780, 20629)]