249340

素因数分解:

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

素因数の和:166

約数の個数: 48

約数和(自身を含む): 649152

約数和(自身を除く): 399812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 182, 260, 274, 364, 455, 548, 685, 910, 959, 1370, 1781, 1820, 1918, 2740, 3562, 3836, 4795, 7124, 8905, 9590, 12467, 17810, 19180, 24934, 35620, 49868, 62335, 124670, 249340]

約数ペア:

[(1, 249340), (2, 124670), (4, 62335), (5, 49868), (7, 35620), (10, 24934), (13, 19180), (14, 17810), (20, 12467), (26, 9590), (28, 8905), (35, 7124), (52, 4795), (65, 3836), (70, 3562), (91, 2740), (130, 1918), (137, 1820), (140, 1781), (182, 1370), (260, 959), (274, 910), (364, 685), (455, 548)]