7859740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 19482624

約数和(自身を除く): 11622884

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, 1811, 2170, 3622, 4340, 7244, 9055, 12677, 18110, 25354, 36220, 50708, 56141, 63385, 112282, 126770, 224564, 253540, 280705, 392987, 561410, 785974, 1122820, 1571948, 1964935, 3929870, 7859740]

約数ペア:

[(1, 7859740), (2, 3929870), (4, 1964935), (5, 1571948), (7, 1122820), (10, 785974), (14, 561410), (20, 392987), (28, 280705), (31, 253540), (35, 224564), (62, 126770), (70, 112282), (124, 63385), (140, 56141), (155, 50708), (217, 36220), (310, 25354), (434, 18110), (620, 12677), (868, 9055), (1085, 7244), (1811, 4340), (2170, 3622)]