1721950204420

素因数分解:

$2^2\times 5^1\times {\mathrm{153457}}^1\times {\mathrm{561053}}^1$

素因数の和:714519

約数の個数: 24

約数和(自身を含む): 3616125438744

約数和(自身を除く): 1894175234324

約数列:

[1, 2, 4, 5, 10, 20, 153457, 306914, 561053, 613828, 767285, 1122106, 1534570, 2244212, 2805265, 3069140, 5610530, 11221060, 86097510221, 172195020442, 344390040884, 430487551105, 860975102210, 1721950204420]

約数ペア:

[(1, 1721950204420), (2, 860975102210), (4, 430487551105), (5, 344390040884), (10, 172195020442), (20, 86097510221), (153457, 11221060), (306914, 5610530), (561053, 3069140), (613828, 2805265), (767285, 2244212), (1122106, 1534570)]