156946940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1259}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 345461760

約数和(自身を除く): 188514820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 542, 1084, 1259, 1355, 2518, 2710, 5036, 5420, 6233, 6295, 12466, 12590, 24932, 25180, 28957, 31165, 57914, 62330, 115828, 124660, 144785, 289570, 341189, 579140, 682378, 1364756, 1705945, 3411890, 6823780, 7847347, 15694694, 31389388, 39236735, 78473470, 156946940]

約数ペア:

[(1, 156946940), (2, 78473470), (4, 39236735), (5, 31389388), (10, 15694694), (20, 7847347), (23, 6823780), (46, 3411890), (92, 1705945), (115, 1364756), (230, 682378), (271, 579140), (460, 341189), (542, 289570), (1084, 144785), (1259, 124660), (1355, 115828), (2518, 62330), (2710, 57914), (5036, 31165), (5420, 28957), (6233, 25180), (6295, 24932), (12466, 12590)]