142728790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{709}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 264085920

約数和(自身を除く): 121357130

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 491, 709, 982, 1418, 2455, 3545, 4910, 7090, 20131, 29069, 40262, 58138, 100655, 145345, 201310, 290690, 348119, 696238, 1740595, 3481190, 14272879, 28545758, 71364395, 142728790]

約数ペア:

[(1, 142728790), (2, 71364395), (5, 28545758), (10, 14272879), (41, 3481190), (82, 1740595), (205, 696238), (410, 348119), (491, 290690), (709, 201310), (982, 145345), (1418, 100655), (2455, 58138), (3545, 40262), (4910, 29069), (7090, 20131)]