417100

素因数分解:

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

素因数の和:154

約数の個数: 36

約数和(自身を含む): 935704

約数和(自身を除く): 518604

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 172, 194, 215, 388, 430, 485, 860, 970, 1075, 1940, 2150, 2425, 4171, 4300, 4850, 8342, 9700, 16684, 20855, 41710, 83420, 104275, 208550, 417100]

約数ペア:

[(1, 417100), (2, 208550), (4, 104275), (5, 83420), (10, 41710), (20, 20855), (25, 16684), (43, 9700), (50, 8342), (86, 4850), (97, 4300), (100, 4171), (172, 2425), (194, 2150), (215, 1940), (388, 1075), (430, 970), (485, 860)]