149499940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 323157744

約数和(自身を除く): 173657804

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 337, 410, 541, 674, 820, 1082, 1348, 1685, 2164, 2705, 3370, 5410, 6740, 10820, 13817, 22181, 27634, 44362, 55268, 69085, 88724, 110905, 138170, 182317, 221810, 276340, 364634, 443620, 729268, 911585, 1823170, 3646340, 7474997, 14949994, 29899988, 37374985, 74749970, 149499940]

約数ペア:

[(1, 149499940), (2, 74749970), (4, 37374985), (5, 29899988), (10, 14949994), (20, 7474997), (41, 3646340), (82, 1823170), (164, 911585), (205, 729268), (337, 443620), (410, 364634), (541, 276340), (674, 221810), (820, 182317), (1082, 138170), (1348, 110905), (1685, 88724), (2164, 69085), (2705, 55268), (3370, 44362), (5410, 27634), (6740, 22181), (10820, 13817)]