260830660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{2003}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 581769216

約数和(自身を除く): 320938556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 383, 766, 1532, 1915, 2003, 3830, 4006, 6511, 7660, 8012, 10015, 13022, 20030, 26044, 32555, 34051, 40060, 65110, 68102, 130220, 136204, 170255, 340510, 681020, 767149, 1534298, 3068596, 3835745, 7671490, 13041533, 15342980, 26083066, 52166132, 65207665, 130415330, 260830660]

約数ペア:

[(1, 260830660), (2, 130415330), (4, 65207665), (5, 52166132), (10, 26083066), (17, 15342980), (20, 13041533), (34, 7671490), (68, 3835745), (85, 3068596), (170, 1534298), (340, 767149), (383, 681020), (766, 340510), (1532, 170255), (1915, 136204), (2003, 130220), (3830, 68102), (4006, 65110), (6511, 40060), (7660, 34051), (8012, 32555), (10015, 26044), (13022, 20030)]