199929575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1039}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 255340800

約数和(自身を除く): 55411225

約数列:

[1, 5, 25, 43, 179, 215, 895, 1039, 1075, 4475, 5195, 7697, 25975, 38485, 44677, 185981, 192425, 223385, 929905, 1116925, 4649525, 7997183, 39985915, 199929575]

約数ペア:

[(1, 199929575), (5, 39985915), (25, 7997183), (43, 4649525), (179, 1116925), (215, 929905), (895, 223385), (1039, 192425), (1075, 185981), (4475, 44677), (5195, 38485), (7697, 25975)]