2980451960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^2\times {\mathrm{11939}}^1$

素因数の和:12108

約数の個数: 48

約数和(自身を含む): 6792546600

約数和(自身を除く): 3812094640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6241, 11939, 12482, 23878, 24964, 31205, 47756, 49928, 59695, 62410, 95512, 119390, 124820, 238780, 249640, 477560, 943181, 1886362, 3772724, 4715905, 7545448, 9431810, 18863620, 37727240, 74511299, 149022598, 298045196, 372556495, 596090392, 745112990, 1490225980, 2980451960]

約数ペア:

[(1, 2980451960), (2, 1490225980), (4, 745112990), (5, 596090392), (8, 372556495), (10, 298045196), (20, 149022598), (40, 74511299), (79, 37727240), (158, 18863620), (316, 9431810), (395, 7545448), (632, 4715905), (790, 3772724), (1580, 1886362), (3160, 943181), (6241, 477560), (11939, 249640), (12482, 238780), (23878, 124820), (24964, 119390), (31205, 95512), (47756, 62410), (49928, 59695)]