207790375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1900

約数の個数: 32

約数和(自身を含む): 283360896

約数和(自身を除く): 75570521

約数列:

[1, 5, 13, 25, 65, 71, 125, 325, 355, 923, 1625, 1775, 1801, 4615, 8875, 9005, 23075, 23413, 45025, 115375, 117065, 127871, 225125, 585325, 639355, 1662323, 2926625, 3196775, 8311615, 15983875, 41558075, 207790375]

約数ペア:

[(1, 207790375), (5, 41558075), (13, 15983875), (25, 8311615), (65, 3196775), (71, 2926625), (125, 1662323), (325, 639355), (355, 585325), (923, 225125), (1625, 127871), (1775, 117065), (1801, 115375), (4615, 45025), (8875, 23413), (9005, 23075)]