148047640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{284707}}^1$

素因数の和:284731

約数の個数: 32

約数和(自身を含む): 358732080

約数和(自身を除く): 210684440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 284707, 569414, 1138828, 1423535, 2277656, 2847070, 3701191, 5694140, 7402382, 11388280, 14804764, 18505955, 29609528, 37011910, 74023820, 148047640]

約数ペア:

[(1, 148047640), (2, 74023820), (4, 37011910), (5, 29609528), (8, 18505955), (10, 14804764), (13, 11388280), (20, 7402382), (26, 5694140), (40, 3701191), (52, 2847070), (65, 2277656), (104, 1423535), (130, 1138828), (260, 569414), (520, 284707)]