157320505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{1129}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 201976200

約数和(自身を除く): 44655695

約数列:

[1, 5, 29, 31, 145, 155, 899, 961, 1129, 4495, 4805, 5645, 27869, 32741, 34999, 139345, 163705, 174995, 1014971, 1084969, 5074855, 5424845, 31464101, 157320505]

約数ペア:

[(1, 157320505), (5, 31464101), (29, 5424845), (31, 5074855), (145, 1084969), (155, 1014971), (899, 174995), (961, 163705), (1129, 139345), (4495, 34999), (4805, 32741), (5645, 27869)]