855778970

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1\times {\mathrm{1979}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 1562742720

約数和(自身を除く): 706963750

約数列:

[1, 2, 5, 10, 83, 166, 415, 521, 830, 1042, 1979, 2605, 3958, 5210, 9895, 19790, 43243, 86486, 164257, 216215, 328514, 432430, 821285, 1031059, 1642570, 2062118, 5155295, 10310590, 85577897, 171155794, 427889485, 855778970]

約数ペア:

[(1, 855778970), (2, 427889485), (5, 171155794), (10, 85577897), (83, 10310590), (166, 5155295), (415, 2062118), (521, 1642570), (830, 1031059), (1042, 821285), (1979, 432430), (2605, 328514), (3958, 216215), (5210, 164257), (9895, 86486), (19790, 43243)]