690013430

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{1553}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 1255159584

約数和(自身を除く): 565146154

約数列:

[1, 2, 5, 10, 157, 283, 314, 566, 785, 1415, 1553, 1570, 2830, 3106, 7765, 15530, 44431, 88862, 222155, 243821, 439499, 444310, 487642, 878998, 1219105, 2197495, 2438210, 4394990, 69001343, 138002686, 345006715, 690013430]

約数ペア:

[(1, 690013430), (2, 345006715), (5, 138002686), (10, 69001343), (157, 4394990), (283, 2438210), (314, 2197495), (566, 1219105), (785, 878998), (1415, 487642), (1553, 444310), (1570, 439499), (2830, 243821), (3106, 222155), (7765, 88862), (15530, 44431)]