129120770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1747}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 245419200

約数和(自身を除く): 116298430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 389, 778, 1747, 1945, 3494, 3890, 7391, 8735, 14782, 17470, 33193, 36955, 66386, 73910, 165965, 331930, 679583, 1359166, 3397915, 6795830, 12912077, 25824154, 64560385, 129120770]

約数ペア:

[(1, 129120770), (2, 64560385), (5, 25824154), (10, 12912077), (19, 6795830), (38, 3397915), (95, 1359166), (190, 679583), (389, 331930), (778, 165965), (1747, 73910), (1945, 66386), (3494, 36955), (3890, 33193), (7391, 17470), (8735, 14782)]