1857702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1277}}^1\times {\mathrm{10391}}^1$

素因数の和:11684

約数の個数: 48

約数和(自身を含む): 4462407936

約数和(自身を除く): 2604704956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1277, 2554, 5108, 6385, 8939, 10391, 12770, 17878, 20782, 25540, 35756, 41564, 44695, 51955, 72737, 89390, 103910, 145474, 178780, 207820, 290948, 363685, 727370, 1454740, 13269307, 26538614, 53077228, 66346535, 92885149, 132693070, 185770298, 265386140, 371540596, 464425745, 928851490, 1857702980]

約数ペア:

[(1, 1857702980), (2, 928851490), (4, 464425745), (5, 371540596), (7, 265386140), (10, 185770298), (14, 132693070), (20, 92885149), (28, 66346535), (35, 53077228), (70, 26538614), (140, 13269307), (1277, 1454740), (2554, 727370), (5108, 363685), (6385, 290948), (8939, 207820), (10391, 178780), (12770, 145474), (17878, 103910), (20782, 89390), (25540, 72737), (35756, 51955), (41564, 44695)]