1328788990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{11779}}^1$

素因数の和:12204

約数の個数: 32

約数和(自身を含む): 2480868000

約数和(自身を除く): 1152079010

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 389, 778, 1945, 3890, 11281, 11779, 22562, 23558, 56405, 58895, 112810, 117790, 341591, 683182, 1707955, 3415910, 4582031, 9164062, 22910155, 45820310, 132878899, 265757798, 664394495, 1328788990]

約数ペア:

[(1, 1328788990), (2, 664394495), (5, 265757798), (10, 132878899), (29, 45820310), (58, 22910155), (145, 9164062), (290, 4582031), (389, 3415910), (778, 1707955), (1945, 683182), (3890, 341591), (11281, 117790), (11779, 112810), (22562, 58895), (23558, 56405)]