248439660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{591523}}^1$

素因数の和:591542

約数の個数: 48

約数和(自身を含む): 795008256

約数和(自身を除く): 546568596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 591523, 1183046, 1774569, 2366092, 2957615, 3549138, 4140661, 5915230, 7098276, 8281322, 8872845, 11830460, 12421983, 16562644, 17745690, 20703305, 24843966, 35491380, 41406610, 49687932, 62109915, 82813220, 124219830, 248439660]

約数ペア:

[(1, 248439660), (2, 124219830), (3, 82813220), (4, 62109915), (5, 49687932), (6, 41406610), (7, 35491380), (10, 24843966), (12, 20703305), (14, 17745690), (15, 16562644), (20, 12421983), (21, 11830460), (28, 8872845), (30, 8281322), (35, 7098276), (42, 5915230), (60, 4140661), (70, 3549138), (84, 2957615), (105, 2366092), (140, 1774569), (210, 1183046), (420, 591523)]