677799780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1613809}}^1$

素因数の和:1613828

約数の個数: 48

約数和(自身を含む): 2168960640

約数和(自身を除く): 1491160860

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, 1613809, 3227618, 4841427, 6455236, 8069045, 9682854, 11296663, 16138090, 19365708, 22593326, 24207135, 32276180, 33889989, 45186652, 48414270, 56483315, 67779978, 96828540, 112966630, 135559956, 169449945, 225933260, 338899890, 677799780]

約数ペア:

[(1, 677799780), (2, 338899890), (3, 225933260), (4, 169449945), (5, 135559956), (6, 112966630), (7, 96828540), (10, 67779978), (12, 56483315), (14, 48414270), (15, 45186652), (20, 33889989), (21, 32276180), (28, 24207135), (30, 22593326), (35, 19365708), (42, 16138090), (60, 11296663), (70, 9682854), (84, 8069045), (105, 6455236), (140, 4841427), (210, 3227618), (420, 1613809)]