2977747780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{686117}}^1$

素因数の和:686164

約数の個数: 48

約数和(自身を含む): 7377140736

約数和(自身を除く): 4399392956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 686117, 1372234, 2744468, 3430585, 4802819, 6861170, 9605638, 13722340, 19211276, 21269627, 24014095, 42539254, 48028190, 85078508, 96056380, 106348135, 148887389, 212696270, 297774778, 425392540, 595549556, 744436945, 1488873890, 2977747780]

約数ペア:

[(1, 2977747780), (2, 1488873890), (4, 744436945), (5, 595549556), (7, 425392540), (10, 297774778), (14, 212696270), (20, 148887389), (28, 106348135), (31, 96056380), (35, 85078508), (62, 48028190), (70, 42539254), (124, 24014095), (140, 21269627), (155, 19211276), (217, 13722340), (310, 9605638), (434, 6861170), (620, 4802819), (868, 3430585), (1085, 2744468), (2170, 1372234), (4340, 686117)]