1914101780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{5011}}^1$

素因数の和:5360

約数の個数: 48

約数和(自身を含む): 4092197760

約数和(自身を除く): 2178095980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 355, 538, 710, 1076, 1345, 1420, 2690, 5011, 5380, 10022, 19099, 20044, 25055, 38198, 50110, 76396, 95495, 100220, 190990, 355781, 381980, 711562, 1347959, 1423124, 1778905, 2695918, 3557810, 5391836, 6739795, 7115620, 13479590, 26959180, 95705089, 191410178, 382820356, 478525445, 957050890, 1914101780]

約数ペア:

[(1, 1914101780), (2, 957050890), (4, 478525445), (5, 382820356), (10, 191410178), (20, 95705089), (71, 26959180), (142, 13479590), (269, 7115620), (284, 6739795), (355, 5391836), (538, 3557810), (710, 2695918), (1076, 1778905), (1345, 1423124), (1420, 1347959), (2690, 711562), (5011, 381980), (5380, 355781), (10022, 190990), (19099, 100220), (20044, 95495), (25055, 76396), (38198, 50110)]