31029380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 67468464

約数和(自身を除く): 36439084

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 401, 530, 730, 802, 1060, 1460, 1604, 2005, 3869, 4010, 7738, 8020, 15476, 19345, 21253, 29273, 38690, 42506, 58546, 77380, 85012, 106265, 117092, 146365, 212530, 292730, 425060, 585460, 1551469, 3102938, 6205876, 7757345, 15514690, 31029380]

約数ペア:

[(1, 31029380), (2, 15514690), (4, 7757345), (5, 6205876), (10, 3102938), (20, 1551469), (53, 585460), (73, 425060), (106, 292730), (146, 212530), (212, 146365), (265, 117092), (292, 106265), (365, 85012), (401, 77380), (530, 58546), (730, 42506), (802, 38690), (1060, 29273), (1460, 21253), (1604, 19345), (2005, 15476), (3869, 8020), (4010, 7738)]