140247660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{333923}}^1$

素因数の和:333942

約数の個数: 48

約数和(自身を含む): 448793856

約数和(自身を除く): 308546196

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, 333923, 667846, 1001769, 1335692, 1669615, 2003538, 2337461, 3339230, 4007076, 4674922, 5008845, 6678460, 7012383, 9349844, 10017690, 11687305, 14024766, 20035380, 23374610, 28049532, 35061915, 46749220, 70123830, 140247660]

約数ペア:

[(1, 140247660), (2, 70123830), (3, 46749220), (4, 35061915), (5, 28049532), (6, 23374610), (7, 20035380), (10, 14024766), (12, 11687305), (14, 10017690), (15, 9349844), (20, 7012383), (21, 6678460), (28, 5008845), (30, 4674922), (35, 4007076), (42, 3339230), (60, 2337461), (70, 2003538), (84, 1669615), (105, 1335692), (140, 1001769), (210, 667846), (420, 333923)]