1727260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 3684240

約数和(自身を除く): 1956980

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1289, 1340, 2578, 5156, 6445, 12890, 25780, 86363, 172726, 345452, 431815, 863630, 1727260]

約数ペア:

[(1, 1727260), (2, 863630), (4, 431815), (5, 345452), (10, 172726), (20, 86363), (67, 25780), (134, 12890), (268, 6445), (335, 5156), (670, 2578), (1289, 1340)]