306850420

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{20161}}^1$

素因数の和:20931

約数の個数: 24

約数和(自身を含む): 645264648

約数和(自身を除く): 338414228

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 15220, 20161, 40322, 80644, 100805, 201610, 403220, 15342521, 30685042, 61370084, 76712605, 153425210, 306850420]

約数ペア:

[(1, 306850420), (2, 153425210), (4, 76712605), (5, 61370084), (10, 30685042), (20, 15342521), (761, 403220), (1522, 201610), (3044, 100805), (3805, 80644), (7610, 40322), (15220, 20161)]