139639630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 277486560

約数和(自身を除く): 137846930

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 530, 689, 845, 1378, 1559, 1690, 3118, 3445, 6890, 7795, 8957, 15590, 17914, 20267, 40534, 44785, 82627, 89570, 101335, 165254, 202670, 263471, 413135, 526942, 826270, 1074151, 1317355, 2148302, 2634710, 5370755, 10741510, 13963963, 27927926, 69819815, 139639630]

約数ペア:

[(1, 139639630), (2, 69819815), (5, 27927926), (10, 13963963), (13, 10741510), (26, 5370755), (53, 2634710), (65, 2148302), (106, 1317355), (130, 1074151), (169, 826270), (265, 526942), (338, 413135), (530, 263471), (689, 202670), (845, 165254), (1378, 101335), (1559, 89570), (1690, 82627), (3118, 44785), (3445, 40534), (6890, 20267), (7795, 17914), (8957, 15590)]