123889450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2071

約数の個数: 48

約数和(自身を含む): 244046880

約数和(自身を除く): 120157430

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 145, 215, 290, 430, 725, 1075, 1247, 1450, 1987, 2150, 2494, 3974, 6235, 9935, 12470, 19870, 31175, 49675, 57623, 62350, 85441, 99350, 115246, 170882, 288115, 427205, 576230, 854410, 1440575, 2136025, 2477789, 2881150, 4272050, 4955578, 12388945, 24777890, 61944725, 123889450]

約数ペア:

[(1, 123889450), (2, 61944725), (5, 24777890), (10, 12388945), (25, 4955578), (29, 4272050), (43, 2881150), (50, 2477789), (58, 2136025), (86, 1440575), (145, 854410), (215, 576230), (290, 427205), (430, 288115), (725, 170882), (1075, 115246), (1247, 99350), (1450, 85441), (1987, 62350), (2150, 57623), (2494, 49675), (3974, 31175), (6235, 19870), (9935, 12470)]