325977980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{2137}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 711184320

約数和(自身を除く): 385206340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 526, 580, 1052, 1315, 2137, 2630, 4274, 5260, 7627, 8548, 10685, 15254, 21370, 30508, 38135, 42740, 61973, 76270, 123946, 152540, 247892, 309865, 562031, 619730, 1124062, 1239460, 2248124, 2810155, 5620310, 11240620, 16298899, 32597798, 65195596, 81494495, 162988990, 325977980]

約数ペア:

[(1, 325977980), (2, 162988990), (4, 81494495), (5, 65195596), (10, 32597798), (20, 16298899), (29, 11240620), (58, 5620310), (116, 2810155), (145, 2248124), (263, 1239460), (290, 1124062), (526, 619730), (580, 562031), (1052, 309865), (1315, 247892), (2137, 152540), (2630, 123946), (4274, 76270), (5260, 61973), (7627, 42740), (8548, 38135), (10685, 30508), (15254, 21370)]