157107280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{178531}}^1$

素因数の和:178555

約数の個数: 40

約数和(自身を含む): 398483424

約数和(自身を除く): 241376144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 178531, 357062, 714124, 892655, 1428248, 1785310, 1963841, 2856496, 3570620, 3927682, 7141240, 7855364, 9819205, 14282480, 15710728, 19638410, 31421456, 39276820, 78553640, 157107280]

約数ペア:

[(1, 157107280), (2, 78553640), (4, 39276820), (5, 31421456), (8, 19638410), (10, 15710728), (11, 14282480), (16, 9819205), (20, 7855364), (22, 7141240), (40, 3927682), (44, 3570620), (55, 2856496), (80, 1963841), (88, 1785310), (110, 1428248), (176, 892655), (220, 714124), (440, 357062), (880, 178531)]