720131770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{5099}}^1$

素因数の和:5622

約数の個数: 32

約数和(自身を含む): 1343952000

約数和(自身を除く): 623820230

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 487, 974, 2435, 4870, 5099, 10198, 14123, 25495, 28246, 50990, 70615, 141230, 147871, 295742, 739355, 1478710, 2483213, 4966426, 12416065, 24832130, 72013177, 144026354, 360065885, 720131770]

約数ペア:

[(1, 720131770), (2, 360065885), (5, 144026354), (10, 72013177), (29, 24832130), (58, 12416065), (145, 4966426), (290, 2483213), (487, 1478710), (974, 739355), (2435, 295742), (4870, 147871), (5099, 141230), (10198, 70615), (14123, 50990), (25495, 28246)]