1330384580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{256831}}^1$

素因数の和:256884

約数の個数: 48

約数和(自身を含む): 3279230976

約数和(自身を除く): 1948846396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 256831, 513662, 1027324, 1284155, 1797817, 2568310, 3595634, 5136620, 7191268, 8989085, 9502747, 17978170, 19005494, 35956340, 38010988, 47513735, 66519229, 95027470, 133038458, 190054940, 266076916, 332596145, 665192290, 1330384580]

約数ペア:

[(1, 1330384580), (2, 665192290), (4, 332596145), (5, 266076916), (7, 190054940), (10, 133038458), (14, 95027470), (20, 66519229), (28, 47513735), (35, 38010988), (37, 35956340), (70, 19005494), (74, 17978170), (140, 9502747), (148, 8989085), (185, 7191268), (259, 5136620), (370, 3595634), (518, 2568310), (740, 1797817), (1036, 1284155), (1295, 1027324), (2590, 513662), (5180, 256831)]