30881630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 60328800

約数和(自身を除く): 29447170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1709, 1807, 3418, 3614, 8545, 9035, 17090, 18070, 22217, 44434, 111085, 222170, 237551, 475102, 1187755, 2375510, 3088163, 6176326, 15440815, 30881630]

約数ペア:

[(1, 30881630), (2, 15440815), (5, 6176326), (10, 3088163), (13, 2375510), (26, 1187755), (65, 475102), (130, 237551), (139, 222170), (278, 111085), (695, 44434), (1390, 22217), (1709, 18070), (1807, 17090), (3418, 9035), (3614, 8545)]