320719490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11369}}^1$

素因数の和:11427

約数の個数: 64

約数和(自身を含む): 733501440

約数和(自身を除く): 412781950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 11369, 14105, 22738, 28210, 56845, 79583, 113690, 147797, 159166, 295594, 352439, 397915, 704878, 738985, 795830, 1034579, 1477970, 1762195, 2069158, 2467073, 3524390, 4581707, 4934146, 5172895, 9163414, 10345790, 12335365, 22908535, 24670730, 32071949, 45817070, 64143898, 160359745, 320719490]

約数ペア:

[(1, 320719490), (2, 160359745), (5, 64143898), (7, 45817070), (10, 32071949), (13, 24670730), (14, 22908535), (26, 12335365), (31, 10345790), (35, 9163414), (62, 5172895), (65, 4934146), (70, 4581707), (91, 3524390), (130, 2467073), (155, 2069158), (182, 1762195), (217, 1477970), (310, 1034579), (403, 795830), (434, 738985), (455, 704878), (806, 397915), (910, 352439), (1085, 295594), (2015, 159166), (2170, 147797), (2821, 113690), (4030, 79583), (5642, 56845), (11369, 28210), (14105, 22738)]