30331720

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1229}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 68412600

約数和(自身を除く): 38080880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1229, 1234, 2458, 2468, 3085, 4916, 4936, 6145, 6170, 9832, 12290, 12340, 24580, 24680, 49160, 758293, 1516586, 3033172, 3791465, 6066344, 7582930, 15165860, 30331720]

約数ペア:

[(1, 30331720), (2, 15165860), (4, 7582930), (5, 6066344), (8, 3791465), (10, 3033172), (20, 1516586), (40, 758293), (617, 49160), (1229, 24680), (1234, 24580), (2458, 12340), (2468, 12290), (3085, 9832), (4916, 6170), (4936, 6145)]