200517825

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 339371136

約数和(自身を除く): 138853311

約数列:

[1, 3, 5, 15, 25, 75, 101, 103, 257, 303, 309, 505, 515, 771, 1285, 1515, 1545, 2525, 2575, 3855, 6425, 7575, 7725, 10403, 19275, 25957, 26471, 31209, 52015, 77871, 79413, 129785, 132355, 156045, 260075, 389355, 397065, 648925, 661775, 780225, 1946775, 1985325, 2673571, 8020713, 13367855, 40103565, 66839275, 200517825]

約数ペア:

[(1, 200517825), (3, 66839275), (5, 40103565), (15, 13367855), (25, 8020713), (75, 2673571), (101, 1985325), (103, 1946775), (257, 780225), (303, 661775), (309, 648925), (505, 397065), (515, 389355), (771, 260075), (1285, 156045), (1515, 132355), (1545, 129785), (2525, 79413), (2575, 77871), (3855, 52015), (6425, 31209), (7575, 26471), (7725, 25957), (10403, 19275)]