638572020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{626051}}^1$

素因数の和:626080

約数の個数: 48

約数和(自身を含む): 1893181248

約数和(自身を除く): 1254609228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 626051, 1252102, 1878153, 2504204, 3130255, 3756306, 6260510, 7512612, 9390765, 10642867, 12521020, 18781530, 21285734, 31928601, 37563060, 42571468, 53214335, 63857202, 106428670, 127714404, 159643005, 212857340, 319286010, 638572020]

約数ペア:

[(1, 638572020), (2, 319286010), (3, 212857340), (4, 159643005), (5, 127714404), (6, 106428670), (10, 63857202), (12, 53214335), (15, 42571468), (17, 37563060), (20, 31928601), (30, 21285734), (34, 18781530), (51, 12521020), (60, 10642867), (68, 9390765), (85, 7512612), (102, 6260510), (170, 3756306), (204, 3130255), (255, 2504204), (340, 1878153), (510, 1252102), (1020, 626051)]