250781570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101531}}^1$

素因数の和:101570

約数の個数: 32

約数和(自身を含む): 511721280

約数和(自身を除く): 260939710

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 101531, 203062, 507655, 1015310, 1319903, 1929089, 2639806, 3858178, 6599515, 9645445, 13199030, 19290890, 25078157, 50156314, 125390785, 250781570]

約数ペア:

[(1, 250781570), (2, 125390785), (5, 50156314), (10, 25078157), (13, 19290890), (19, 13199030), (26, 9645445), (38, 6599515), (65, 3858178), (95, 2639806), (130, 1929089), (190, 1319903), (247, 1015310), (494, 507655), (1235, 203062), (2470, 101531)]