102000220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{728573}}^1$

素因数の和:728589

約数の個数: 24

約数和(自身を含む): 244800864

約数和(自身を除く): 142800644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 728573, 1457146, 2914292, 3642865, 5100011, 7285730, 10200022, 14571460, 20400044, 25500055, 51000110, 102000220]

約数ペア:

[(1, 102000220), (2, 51000110), (4, 25500055), (5, 20400044), (7, 14571460), (10, 10200022), (14, 7285730), (20, 5100011), (28, 3642865), (35, 2914292), (70, 1457146), (140, 728573)]