2019720975

素因数分解:

$3^1\times 5^2\times {\mathrm{4999}}^1\times {\mathrm{5387}}^1$

素因数の和:10399

約数の個数: 24

約数和(自身を含む): 3340560000

約数和(自身を除く): 1320839025

約数列:

[1, 3, 5, 15, 25, 75, 4999, 5387, 14997, 16161, 24995, 26935, 74985, 80805, 124975, 134675, 374925, 404025, 26929613, 80788839, 134648065, 403944195, 673240325, 2019720975]

約数ペア:

[(1, 2019720975), (3, 673240325), (5, 403944195), (15, 134648065), (25, 80788839), (75, 26929613), (4999, 404025), (5387, 374925), (14997, 134675), (16161, 124975), (24995, 80805), (26935, 74985)]