28425740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{733}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 68561472

約数和(自身を除く): 40135732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 733, 1108, 1385, 1466, 1939, 2770, 2932, 3665, 3878, 5131, 5540, 7330, 7756, 9695, 10262, 14660, 19390, 20524, 25655, 38780, 51310, 102620, 203041, 406082, 812164, 1015205, 1421287, 2030410, 2842574, 4060820, 5685148, 7106435, 14212870, 28425740]

約数ペア:

[(1, 28425740), (2, 14212870), (4, 7106435), (5, 5685148), (7, 4060820), (10, 2842574), (14, 2030410), (20, 1421287), (28, 1015205), (35, 812164), (70, 406082), (140, 203041), (277, 102620), (554, 51310), (733, 38780), (1108, 25655), (1385, 20524), (1466, 19390), (1939, 14660), (2770, 10262), (2932, 9695), (3665, 7756), (3878, 7330), (5131, 5540)]