1860989260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{166457}}^1$

素因数の和:166522

約数の個数: 48

約数和(自身を含む): 4306601376

約数和(自身を除く): 2445612116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 166457, 332914, 665828, 832285, 1664570, 2163941, 3329140, 4327882, 7157651, 8655764, 10819705, 14315302, 21639410, 28630604, 35788255, 43278820, 71576510, 93049463, 143153020, 186098926, 372197852, 465247315, 930494630, 1860989260]

約数ペア:

[(1, 1860989260), (2, 930494630), (4, 465247315), (5, 372197852), (10, 186098926), (13, 143153020), (20, 93049463), (26, 71576510), (43, 43278820), (52, 35788255), (65, 28630604), (86, 21639410), (130, 14315302), (172, 10819705), (215, 8655764), (260, 7157651), (430, 4327882), (559, 3329140), (860, 2163941), (1118, 1664570), (2236, 832285), (2795, 665828), (5590, 332914), (11180, 166457)]