28836220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{733}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 69547968

約数和(自身を除く): 40711748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 733, 1124, 1405, 1466, 1967, 2810, 2932, 3665, 3934, 5131, 5620, 7330, 7868, 9835, 10262, 14660, 19670, 20524, 25655, 39340, 51310, 102620, 205973, 411946, 823892, 1029865, 1441811, 2059730, 2883622, 4119460, 5767244, 7209055, 14418110, 28836220]

約数ペア:

[(1, 28836220), (2, 14418110), (4, 7209055), (5, 5767244), (7, 4119460), (10, 2883622), (14, 2059730), (20, 1441811), (28, 1029865), (35, 823892), (70, 411946), (140, 205973), (281, 102620), (562, 51310), (733, 39340), (1124, 25655), (1405, 20524), (1466, 19670), (1967, 14660), (2810, 10262), (2932, 9835), (3665, 7868), (3934, 7330), (5131, 5620)]