1963447280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1\times {\mathrm{557}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 4620641760

約数和(自身を除く): 2657194480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 317, 556, 557, 634, 695, 1112, 1114, 1268, 1390, 1585, 2224, 2228, 2536, 2780, 2785, 3170, 4456, 5072, 5560, 5570, 6340, 8912, 11120, 11140, 12680, 22280, 25360, 44063, 44560, 77423, 88126, 154846, 176252, 176569, 220315, 309692, 352504, 353138, 387115, 440630, 619384, 705008, 706276, 774230, 881260, 882845, 1238768, 1412552, 1548460, 1762520, 1765690, 2825104, 3096920, 3525040, 3531380, 6193840, 7062760, 14125520, 24543091, 49086182, 98172364, 122715455, 196344728, 245430910, 392689456, 490861820, 981723640, 1963447280]

約数ペア:

[(1, 1963447280), (2, 981723640), (4, 490861820), (5, 392689456), (8, 245430910), (10, 196344728), (16, 122715455), (20, 98172364), (40, 49086182), (80, 24543091), (139, 14125520), (278, 7062760), (317, 6193840), (556, 3531380), (557, 3525040), (634, 3096920), (695, 2825104), (1112, 1765690), (1114, 1762520), (1268, 1548460), (1390, 1412552), (1585, 1238768), (2224, 882845), (2228, 881260), (2536, 774230), (2780, 706276), (2785, 705008), (3170, 619384), (4456, 440630), (5072, 387115), (5560, 353138), (5570, 352504), (6340, 309692), (8912, 220315), (11120, 176569), (11140, 176252), (12680, 154846), (22280, 88126), (25360, 77423), (44063, 44560)]