440342920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2633}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 1026943920

約数和(自身を除く): 586601000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 185, 226, 296, 370, 452, 565, 740, 904, 1130, 1480, 2260, 2633, 4181, 4520, 5266, 8362, 10532, 13165, 16724, 20905, 21064, 26330, 33448, 41810, 52660, 83620, 97421, 105320, 167240, 194842, 297529, 389684, 487105, 595058, 779368, 974210, 1190116, 1487645, 1948420, 2380232, 2975290, 3896840, 5950580, 11008573, 11901160, 22017146, 44034292, 55042865, 88068584, 110085730, 220171460, 440342920]

約数ペア:

[(1, 440342920), (2, 220171460), (4, 110085730), (5, 88068584), (8, 55042865), (10, 44034292), (20, 22017146), (37, 11901160), (40, 11008573), (74, 5950580), (113, 3896840), (148, 2975290), (185, 2380232), (226, 1948420), (296, 1487645), (370, 1190116), (452, 974210), (565, 779368), (740, 595058), (904, 487105), (1130, 389684), (1480, 297529), (2260, 194842), (2633, 167240), (4181, 105320), (4520, 97421), (5266, 83620), (8362, 52660), (10532, 41810), (13165, 33448), (16724, 26330), (20905, 21064)]