201999140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3257}}^1$

素因数の和:3716

約数の個数: 48

約数和(自身を含む): 486041472

約数和(自身を除く): 284042332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1772, 2215, 3101, 3257, 4430, 6202, 6514, 8860, 12404, 13028, 15505, 16285, 22799, 31010, 32570, 45598, 62020, 65140, 91196, 113995, 227990, 455980, 1442851, 2885702, 5771404, 7214255, 10099957, 14428510, 20199914, 28857020, 40399828, 50499785, 100999570, 201999140]

約数ペア:

[(1, 201999140), (2, 100999570), (4, 50499785), (5, 40399828), (7, 28857020), (10, 20199914), (14, 14428510), (20, 10099957), (28, 7214255), (35, 5771404), (70, 2885702), (140, 1442851), (443, 455980), (886, 227990), (1772, 113995), (2215, 91196), (3101, 65140), (3257, 62020), (4430, 45598), (6202, 32570), (6514, 31010), (8860, 22799), (12404, 16285), (13028, 15505)]