175599100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 394867088

約数和(自身を除く): 219267988

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 172, 194, 215, 388, 421, 430, 485, 842, 860, 970, 1075, 1684, 1940, 2105, 2150, 2425, 4171, 4210, 4300, 4850, 8342, 8420, 9700, 10525, 16684, 18103, 20855, 21050, 36206, 40837, 41710, 42100, 72412, 81674, 83420, 90515, 104275, 163348, 181030, 204185, 208550, 362060, 408370, 417100, 452575, 816740, 905150, 1020925, 1755991, 1810300, 2041850, 3511982, 4083700, 7023964, 8779955, 17559910, 35119820, 43899775, 87799550, 175599100]

約数ペア:

[(1, 175599100), (2, 87799550), (4, 43899775), (5, 35119820), (10, 17559910), (20, 8779955), (25, 7023964), (43, 4083700), (50, 3511982), (86, 2041850), (97, 1810300), (100, 1755991), (172, 1020925), (194, 905150), (215, 816740), (388, 452575), (421, 417100), (430, 408370), (485, 362060), (842, 208550), (860, 204185), (970, 181030), (1075, 163348), (1684, 104275), (1940, 90515), (2105, 83420), (2150, 81674), (2425, 72412), (4171, 42100), (4210, 41710), (4300, 40837), (4850, 36206), (8342, 21050), (8420, 20855), (9700, 18103), (10525, 16684)]