2011343900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{144701}}^1$

素因数の和:144854

約数の個数: 36

約数和(自身を含む): 4396046760

約数和(自身を除く): 2384702860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 144701, 289402, 578804, 723505, 1447010, 2894020, 3617525, 7235050, 14470100, 20113439, 40226878, 80453756, 100567195, 201134390, 402268780, 502835975, 1005671950, 2011343900]

約数ペア:

[(1, 2011343900), (2, 1005671950), (4, 502835975), (5, 402268780), (10, 201134390), (20, 100567195), (25, 80453756), (50, 40226878), (100, 20113439), (139, 14470100), (278, 7235050), (556, 3617525), (695, 2894020), (1390, 1447010), (2780, 723505), (3475, 578804), (6950, 289402), (13900, 144701)]