142219240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{25579}}^1$

素因数の和:25729

約数の個数: 32

約数和(自身を含む): 322308000

約数和(自身を除く): 180088760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 25579, 51158, 102316, 127895, 204632, 255790, 511580, 1023160, 3555481, 7110962, 14221924, 17777405, 28443848, 35554810, 71109620, 142219240]

約数ペア:

[(1, 142219240), (2, 71109620), (4, 35554810), (5, 28443848), (8, 17777405), (10, 14221924), (20, 7110962), (40, 3555481), (139, 1023160), (278, 511580), (556, 255790), (695, 204632), (1112, 127895), (1390, 102316), (2780, 51158), (5560, 25579)]