678982610

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{1723}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 1235570112

約数和(自身を除く): 556587502

約数列:

[1, 2, 5, 10, 157, 251, 314, 502, 785, 1255, 1570, 1723, 2510, 3446, 8615, 17230, 39407, 78814, 197035, 270511, 394070, 432473, 541022, 864946, 1352555, 2162365, 2705110, 4324730, 67898261, 135796522, 339491305, 678982610]

約数ペア:

[(1, 678982610), (2, 339491305), (5, 135796522), (10, 67898261), (157, 4324730), (251, 2705110), (314, 2162365), (502, 1352555), (785, 864946), (1255, 541022), (1570, 432473), (1723, 394070), (2510, 270511), (3446, 197035), (8615, 78814), (17230, 39407)]