498680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 1391040

約数和(自身を除く): 892360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 182, 260, 274, 280, 364, 455, 520, 548, 685, 728, 910, 959, 1096, 1370, 1781, 1820, 1918, 2740, 3562, 3640, 3836, 4795, 5480, 7124, 7672, 8905, 9590, 12467, 14248, 17810, 19180, 24934, 35620, 38360, 49868, 62335, 71240, 99736, 124670, 249340, 498680]

約数ペア:

[(1, 498680), (2, 249340), (4, 124670), (5, 99736), (7, 71240), (8, 62335), (10, 49868), (13, 38360), (14, 35620), (20, 24934), (26, 19180), (28, 17810), (35, 14248), (40, 12467), (52, 9590), (56, 8905), (65, 7672), (70, 7124), (91, 5480), (104, 4795), (130, 3836), (137, 3640), (140, 3562), (182, 2740), (260, 1918), (274, 1820), (280, 1781), (364, 1370), (455, 1096), (520, 959), (548, 910), (685, 728)]