311920520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{268897}}^1$

素因数の和:268937

約数の個数: 32

約数和(自身を含む): 726024600

約数和(自身を除く): 414104080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 268897, 537794, 1075588, 1344485, 2151176, 2688970, 5377940, 7798013, 10755880, 15596026, 31192052, 38990065, 62384104, 77980130, 155960260, 311920520]

約数ペア:

[(1, 311920520), (2, 155960260), (4, 77980130), (5, 62384104), (8, 38990065), (10, 31192052), (20, 15596026), (29, 10755880), (40, 7798013), (58, 5377940), (116, 2688970), (145, 2151176), (232, 1344485), (290, 1075588), (580, 537794), (1160, 268897)]