289888030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{1453}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 531396288

約数和(自身を除く): 241508258

約数列:

[1, 2, 5, 10, 71, 142, 281, 355, 562, 710, 1405, 1453, 2810, 2906, 7265, 14530, 19951, 39902, 99755, 103163, 199510, 206326, 408293, 515815, 816586, 1031630, 2041465, 4082930, 28988803, 57977606, 144944015, 289888030]

約数ペア:

[(1, 289888030), (2, 144944015), (5, 57977606), (10, 28988803), (71, 4082930), (142, 2041465), (281, 1031630), (355, 816586), (562, 515815), (710, 408293), (1405, 206326), (1453, 199510), (2810, 103163), (2906, 99755), (7265, 39902), (14530, 19951)]