493815020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{151477}}^1$

素因数の和:151649

約数の個数: 24

約数和(自身を含む): 1043380464

約数和(自身を除く): 549565444

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 151477, 302954, 605908, 757385, 1514770, 3029540, 24690751, 49381502, 98763004, 123453755, 246907510, 493815020]

約数ペア:

[(1, 493815020), (2, 246907510), (4, 123453755), (5, 98763004), (10, 49381502), (20, 24690751), (163, 3029540), (326, 1514770), (652, 757385), (815, 605908), (1630, 302954), (3260, 151477)]