997335920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1780957}}^1$

素因数の和:1780977

約数の個数: 40

約数和(自身を含む): 2650065504

約数和(自身を除く): 1652729584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1780957, 3561914, 7123828, 8904785, 12466699, 14247656, 17809570, 24933398, 28495312, 35619140, 49866796, 62333495, 71238280, 99733592, 124666990, 142476560, 199467184, 249333980, 498667960, 997335920]

約数ペア:

[(1, 997335920), (2, 498667960), (4, 249333980), (5, 199467184), (7, 142476560), (8, 124666990), (10, 99733592), (14, 71238280), (16, 62333495), (20, 49866796), (28, 35619140), (35, 28495312), (40, 24933398), (56, 17809570), (70, 14247656), (80, 12466699), (112, 8904785), (140, 7123828), (280, 3561914), (560, 1780957)]