501563140

素因数分解:

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

素因数の和:101572

約数の個数: 48

約数和(自身を含む): 1194016320

約数和(自身を除く): 692453180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 101531, 203062, 406124, 507655, 1015310, 1319903, 1929089, 2030620, 2639806, 3858178, 5279612, 6599515, 7716356, 9645445, 13199030, 19290890, 25078157, 26398060, 38581780, 50156314, 100312628, 125390785, 250781570, 501563140]

約数ペア:

[(1, 501563140), (2, 250781570), (4, 125390785), (5, 100312628), (10, 50156314), (13, 38581780), (19, 26398060), (20, 25078157), (26, 19290890), (38, 13199030), (52, 9645445), (65, 7716356), (76, 6599515), (95, 5279612), (130, 3858178), (190, 2639806), (247, 2030620), (260, 1929089), (380, 1319903), (494, 1015310), (988, 507655), (1235, 406124), (2470, 203062), (4940, 101531)]