187269880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{668821}}^1$

素因数の和:668839

約数の個数: 32

約数和(自身を含む): 481551840

約数和(自身を除く): 294281960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 668821, 1337642, 2675284, 3344105, 4681747, 5350568, 6688210, 9363494, 13376420, 18726988, 23408735, 26752840, 37453976, 46817470, 93634940, 187269880]

約数ペア:

[(1, 187269880), (2, 93634940), (4, 46817470), (5, 37453976), (7, 26752840), (8, 23408735), (10, 18726988), (14, 13376420), (20, 9363494), (28, 6688210), (35, 5350568), (40, 4681747), (56, 3344105), (70, 2675284), (140, 1337642), (280, 668821)]