273340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 584640

約数和(自身を除く): 311300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 173, 316, 346, 395, 692, 790, 865, 1580, 1730, 3460, 13667, 27334, 54668, 68335, 136670, 273340]

約数ペア:

[(1, 273340), (2, 136670), (4, 68335), (5, 54668), (10, 27334), (20, 13667), (79, 3460), (158, 1730), (173, 1580), (316, 865), (346, 790), (395, 692)]