201001240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{456821}}^1$

素因数の和:456843

約数の個数: 32

約数和(自身を含む): 493367760

約数和(自身を除く): 292366520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 456821, 913642, 1827284, 2284105, 3654568, 4568210, 5025031, 9136420, 10050062, 18272840, 20100124, 25125155, 40200248, 50250310, 100500620, 201001240]

約数ペア:

[(1, 201001240), (2, 100500620), (4, 50250310), (5, 40200248), (8, 25125155), (10, 20100124), (11, 18272840), (20, 10050062), (22, 9136420), (40, 5025031), (44, 4568210), (55, 3654568), (88, 2284105), (110, 1827284), (220, 913642), (440, 456821)]