320210740

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 680508864

約数和(自身を除く): 360298124

約数列:

[1, 2, 4, 5, 10, 20, 227, 251, 281, 454, 502, 562, 908, 1004, 1124, 1135, 1255, 1405, 2270, 2510, 2810, 4540, 5020, 5620, 56977, 63787, 70531, 113954, 127574, 141062, 227908, 255148, 282124, 284885, 318935, 352655, 569770, 637870, 705310, 1139540, 1275740, 1410620, 16010537, 32021074, 64042148, 80052685, 160105370, 320210740]

約数ペア:

[(1, 320210740), (2, 160105370), (4, 80052685), (5, 64042148), (10, 32021074), (20, 16010537), (227, 1410620), (251, 1275740), (281, 1139540), (454, 705310), (502, 637870), (562, 569770), (908, 352655), (1004, 318935), (1124, 284885), (1135, 282124), (1255, 255148), (1405, 227908), (2270, 141062), (2510, 127574), (2810, 113954), (4540, 70531), (5020, 63787), (5620, 56977)]