242840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 589680

約数和(自身を除く): 346840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 467, 520, 934, 1868, 2335, 3736, 4670, 6071, 9340, 12142, 18680, 24284, 30355, 48568, 60710, 121420, 242840]

約数ペア:

[(1, 242840), (2, 121420), (4, 60710), (5, 48568), (8, 30355), (10, 24284), (13, 18680), (20, 12142), (26, 9340), (40, 6071), (52, 4670), (65, 3736), (104, 2335), (130, 1868), (260, 934), (467, 520)]