173864780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{6473}}^1$

素因数の和:6578

約数の個数: 48

約数和(自身を含む): 391547520

約数和(自身を除く): 217682740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6473, 6715, 12946, 13430, 25892, 26860, 32365, 64730, 110041, 129460, 220082, 440164, 511367, 550205, 1022734, 1100410, 2045468, 2200820, 2556835, 5113670, 8693239, 10227340, 17386478, 34772956, 43466195, 86932390, 173864780]

約数ペア:

[(1, 173864780), (2, 86932390), (4, 43466195), (5, 34772956), (10, 17386478), (17, 10227340), (20, 8693239), (34, 5113670), (68, 2556835), (79, 2200820), (85, 2045468), (158, 1100410), (170, 1022734), (316, 550205), (340, 511367), (395, 440164), (790, 220082), (1343, 129460), (1580, 110041), (2686, 64730), (5372, 32365), (6473, 26860), (6715, 25892), (12946, 13430)]