131480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 313200

約数和(自身を除く): 181720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 692, 760, 865, 1384, 1730, 3287, 3460, 6574, 6920, 13148, 16435, 26296, 32870, 65740, 131480]

約数ペア:

[(1, 131480), (2, 65740), (4, 32870), (5, 26296), (8, 16435), (10, 13148), (19, 6920), (20, 6574), (38, 3460), (40, 3287), (76, 1730), (95, 1384), (152, 865), (173, 760), (190, 692), (346, 380)]