1387661030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{78979}}^1$

素因数の和:79244

約数の個数: 32

約数和(自身を含む): 2866026240

約数和(自身を除く): 1478365210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 8785, 17570, 78979, 157958, 394895, 552853, 789790, 1105706, 2764265, 5528530, 19823729, 39647458, 99118645, 138766103, 198237290, 277532206, 693830515, 1387661030]

約数ペア:

[(1, 1387661030), (2, 693830515), (5, 277532206), (7, 198237290), (10, 138766103), (14, 99118645), (35, 39647458), (70, 19823729), (251, 5528530), (502, 2764265), (1255, 1105706), (1757, 789790), (2510, 552853), (3514, 394895), (8785, 157958), (17570, 78979)]