445306040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9931}}^1$

素因数の和:10020

約数の個数: 64

約数和(自身を含む): 1072656000

約数和(自身を除く): 627349960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 2242, 2360, 4484, 5605, 8968, 9931, 11210, 19862, 22420, 39724, 44840, 49655, 79448, 99310, 188689, 198620, 377378, 397240, 585929, 754756, 943445, 1171858, 1509512, 1886890, 2343716, 2929645, 3773780, 4687432, 5859290, 7547560, 11132651, 11718580, 22265302, 23437160, 44530604, 55663255, 89061208, 111326510, 222653020, 445306040]

約数ペア:

[(1, 445306040), (2, 222653020), (4, 111326510), (5, 89061208), (8, 55663255), (10, 44530604), (19, 23437160), (20, 22265302), (38, 11718580), (40, 11132651), (59, 7547560), (76, 5859290), (95, 4687432), (118, 3773780), (152, 2929645), (190, 2343716), (236, 1886890), (295, 1509512), (380, 1171858), (472, 943445), (590, 754756), (760, 585929), (1121, 397240), (1180, 377378), (2242, 198620), (2360, 188689), (4484, 99310), (5605, 79448), (8968, 49655), (9931, 44840), (11210, 39724), (19862, 22420)]