30191140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{569}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 72777600

約数和(自身を除く): 42586460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 569, 758, 1138, 1516, 1895, 2276, 2653, 2845, 3790, 3983, 5306, 5690, 7580, 7966, 10612, 11380, 13265, 15932, 19915, 26530, 39830, 53060, 79660, 215651, 431302, 862604, 1078255, 1509557, 2156510, 3019114, 4313020, 6038228, 7547785, 15095570, 30191140]

約数ペア:

[(1, 30191140), (2, 15095570), (4, 7547785), (5, 6038228), (7, 4313020), (10, 3019114), (14, 2156510), (20, 1509557), (28, 1078255), (35, 862604), (70, 431302), (140, 215651), (379, 79660), (569, 53060), (758, 39830), (1138, 26530), (1516, 19915), (1895, 15932), (2276, 13265), (2653, 11380), (2845, 10612), (3790, 7966), (3983, 7580), (5306, 5690)]