20128049900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28754357}}^1$

素因数の和:28754378

約数の個数: 36

約数和(自身を含む): 49917565488

約数和(自身を除く): 29789515588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28754357, 57508714, 115017428, 143771785, 201280499, 287543570, 402560998, 575087140, 718858925, 805121996, 1006402495, 1437717850, 2012804990, 2875435700, 4025609980, 5032012475, 10064024950, 20128049900]

約数ペア:

[(1, 20128049900), (2, 10064024950), (4, 5032012475), (5, 4025609980), (7, 2875435700), (10, 2012804990), (14, 1437717850), (20, 1006402495), (25, 805121996), (28, 718858925), (35, 575087140), (50, 402560998), (70, 287543570), (100, 201280499), (140, 143771785), (175, 115017428), (350, 57508714), (700, 28754357)]