157335920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280957}}^1$

素因数の和:280977

約数の個数: 40

約数和(自身を含む): 418065504

約数和(自身を除く): 260729584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280957, 561914, 1123828, 1404785, 1966699, 2247656, 2809570, 3933398, 4495312, 5619140, 7866796, 9833495, 11238280, 15733592, 19666990, 22476560, 31467184, 39333980, 78667960, 157335920]

約数ペア:

[(1, 157335920), (2, 78667960), (4, 39333980), (5, 31467184), (7, 22476560), (8, 19666990), (10, 15733592), (14, 11238280), (16, 9833495), (20, 7866796), (28, 5619140), (35, 4495312), (40, 3933398), (56, 2809570), (70, 2247656), (80, 1966699), (112, 1404785), (140, 1123828), (280, 561914), (560, 280957)]