67017220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 145252800

約数和(自身を除く): 78235580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 523, 596, 745, 860, 1046, 1490, 2092, 2615, 2980, 5230, 6407, 10460, 12814, 22489, 25628, 32035, 44978, 64070, 77927, 89956, 112445, 128140, 155854, 224890, 311708, 389635, 449780, 779270, 1558540, 3350861, 6701722, 13403444, 16754305, 33508610, 67017220]

約数ペア:

[(1, 67017220), (2, 33508610), (4, 16754305), (5, 13403444), (10, 6701722), (20, 3350861), (43, 1558540), (86, 779270), (149, 449780), (172, 389635), (215, 311708), (298, 224890), (430, 155854), (523, 128140), (596, 112445), (745, 89956), (860, 77927), (1046, 64070), (1490, 44978), (2092, 32035), (2615, 25628), (2980, 22489), (5230, 12814), (6407, 10460)]