139727720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317563}}^1$

素因数の和:317585

約数の個数: 32

約数和(自身を含む): 342969120

約数和(自身を除く): 203241400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 317563, 635126, 1270252, 1587815, 2540504, 3175630, 3493193, 6351260, 6986386, 12702520, 13972772, 17465965, 27945544, 34931930, 69863860, 139727720]

約数ペア:

[(1, 139727720), (2, 69863860), (4, 34931930), (5, 27945544), (8, 17465965), (10, 13972772), (11, 12702520), (20, 6986386), (22, 6351260), (40, 3493193), (44, 3175630), (55, 2540504), (88, 1587815), (110, 1270252), (220, 635126), (440, 317563)]