494021960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{3251}}^1$

素因数の和:3422

約数の個数: 64

約数和(自身を含む): 1159012800

約数和(自身を除く): 664990840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 131, 145, 232, 262, 290, 524, 580, 655, 1048, 1160, 1310, 2620, 3251, 3799, 5240, 6502, 7598, 13004, 15196, 16255, 18995, 26008, 30392, 32510, 37990, 65020, 75980, 94279, 130040, 151960, 188558, 377116, 425881, 471395, 754232, 851762, 942790, 1703524, 1885580, 2129405, 3407048, 3771160, 4258810, 8517620, 12350549, 17035240, 24701098, 49402196, 61752745, 98804392, 123505490, 247010980, 494021960]

約数ペア:

[(1, 494021960), (2, 247010980), (4, 123505490), (5, 98804392), (8, 61752745), (10, 49402196), (20, 24701098), (29, 17035240), (40, 12350549), (58, 8517620), (116, 4258810), (131, 3771160), (145, 3407048), (232, 2129405), (262, 1885580), (290, 1703524), (524, 942790), (580, 851762), (655, 754232), (1048, 471395), (1160, 425881), (1310, 377116), (2620, 188558), (3251, 151960), (3799, 130040), (5240, 94279), (6502, 75980), (7598, 65020), (13004, 37990), (15196, 32510), (16255, 30392), (18995, 26008)]