90211700

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{8431}}^1$

素因数の和:8552

約数の個数: 36

約数和(自身を含む): 197612352

約数和(自身を除く): 107400652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 2140, 2675, 5350, 8431, 10700, 16862, 33724, 42155, 84310, 168620, 210775, 421550, 843100, 902117, 1804234, 3608468, 4510585, 9021170, 18042340, 22552925, 45105850, 90211700]

約数ペア:

[(1, 90211700), (2, 45105850), (4, 22552925), (5, 18042340), (10, 9021170), (20, 4510585), (25, 3608468), (50, 1804234), (100, 902117), (107, 843100), (214, 421550), (428, 210775), (535, 168620), (1070, 84310), (2140, 42155), (2675, 33724), (5350, 16862), (8431, 10700)]