202109140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{190669}}^1$

素因数の和:190731

約数の個数: 24

約数和(自身を含む): 432439560

約数和(自身を除く): 230330420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 190669, 381338, 762676, 953345, 1906690, 3813380, 10105457, 20210914, 40421828, 50527285, 101054570, 202109140]

約数ペア:

[(1, 202109140), (2, 101054570), (4, 50527285), (5, 40421828), (10, 20210914), (20, 10105457), (53, 3813380), (106, 1906690), (212, 953345), (265, 762676), (530, 381338), (1060, 190669)]