30133820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21221}}^1$

素因数の和:21301

約数の個数: 24

約数和(自身を含む): 64175328

約数和(自身を除く): 34041508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21221, 42442, 84884, 106105, 212210, 424420, 1506691, 3013382, 6026764, 7533455, 15066910, 30133820]

約数ペア:

[(1, 30133820), (2, 15066910), (4, 7533455), (5, 6026764), (10, 3013382), (20, 1506691), (71, 424420), (142, 212210), (284, 106105), (355, 84884), (710, 42442), (1420, 21221)]