201902420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{42239}}^1$

素因数の和:42487

約数の個数: 24

約数和(自身を含む): 425779200

約数和(自身を除く): 223876780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 42239, 84478, 168956, 211195, 422390, 844780, 10095121, 20190242, 40380484, 50475605, 100951210, 201902420]

約数ペア:

[(1, 201902420), (2, 100951210), (4, 50475605), (5, 40380484), (10, 20190242), (20, 10095121), (239, 844780), (478, 422390), (956, 211195), (1195, 168956), (2390, 84478), (4780, 42239)]