153917600

素因数分解:

$2^5\times 5^2\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:898

約数の個数: 72

約数和(自身を含む): 377468028

約数和(自身を除く): 223550428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 421, 457, 800, 842, 914, 1684, 1828, 2105, 2285, 3368, 3656, 4210, 4570, 6736, 7312, 8420, 9140, 10525, 11425, 13472, 14624, 16840, 18280, 21050, 22850, 33680, 36560, 42100, 45700, 67360, 73120, 84200, 91400, 168400, 182800, 192397, 336800, 365600, 384794, 769588, 961985, 1539176, 1923970, 3078352, 3847940, 4809925, 6156704, 7695880, 9619850, 15391760, 19239700, 30783520, 38479400, 76958800, 153917600]

約数ペア:

[(1, 153917600), (2, 76958800), (4, 38479400), (5, 30783520), (8, 19239700), (10, 15391760), (16, 9619850), (20, 7695880), (25, 6156704), (32, 4809925), (40, 3847940), (50, 3078352), (80, 1923970), (100, 1539176), (160, 961985), (200, 769588), (400, 384794), (421, 365600), (457, 336800), (800, 192397), (842, 182800), (914, 168400), (1684, 91400), (1828, 84200), (2105, 73120), (2285, 67360), (3368, 45700), (3656, 42100), (4210, 36560), (4570, 33680), (6736, 22850), (7312, 21050), (8420, 18280), (9140, 16840), (10525, 14624), (11425, 13472)]