105292780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 226437120

約数和(自身を除く): 121144340

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 316, 395, 412, 515, 647, 790, 1030, 1294, 1580, 2060, 2588, 3235, 6470, 8137, 12940, 16274, 32548, 40685, 51113, 66641, 81370, 102226, 133282, 162740, 204452, 255565, 266564, 333205, 511130, 666410, 1022260, 1332820, 5264639, 10529278, 21058556, 26323195, 52646390, 105292780]

約数ペア:

[(1, 105292780), (2, 52646390), (4, 26323195), (5, 21058556), (10, 10529278), (20, 5264639), (79, 1332820), (103, 1022260), (158, 666410), (206, 511130), (316, 333205), (395, 266564), (412, 255565), (515, 204452), (647, 162740), (790, 133282), (1030, 102226), (1294, 81370), (1580, 66641), (2060, 51113), (2588, 40685), (3235, 32548), (6470, 16274), (8137, 12940)]