90973820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649813}}^1$

素因数の和:649829

約数の個数: 24

約数和(自身を含む): 218337504

約数和(自身を除く): 127363684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649813, 1299626, 2599252, 3249065, 4548691, 6498130, 9097382, 12996260, 18194764, 22743455, 45486910, 90973820]

約数ペア:

[(1, 90973820), (2, 45486910), (4, 22743455), (5, 18194764), (7, 12996260), (10, 9097382), (14, 6498130), (20, 4548691), (28, 3249065), (35, 2599252), (70, 1299626), (140, 649813)]