30011020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{683}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 68372640

約数和(自身を除く): 38361620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 683, 845, 1366, 1690, 2197, 2732, 3380, 3415, 4394, 6830, 8788, 8879, 10985, 13660, 17758, 21970, 35516, 43940, 44395, 88790, 115427, 177580, 230854, 461708, 577135, 1154270, 1500551, 2308540, 3001102, 6002204, 7502755, 15005510, 30011020]

約数ペア:

[(1, 30011020), (2, 15005510), (4, 7502755), (5, 6002204), (10, 3001102), (13, 2308540), (20, 1500551), (26, 1154270), (52, 577135), (65, 461708), (130, 230854), (169, 177580), (260, 115427), (338, 88790), (676, 44395), (683, 43940), (845, 35516), (1366, 21970), (1690, 17758), (2197, 13660), (2732, 10985), (3380, 8879), (3415, 8788), (4394, 6830)]