251915180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 615988800

約数和(自身を除く): 364073620

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 193, 220, 340, 349, 374, 386, 698, 748, 772, 935, 965, 1396, 1745, 1870, 1930, 2123, 3281, 3490, 3740, 3839, 3860, 4246, 5933, 6562, 6980, 7678, 8492, 10615, 11866, 13124, 15356, 16405, 19195, 21230, 23732, 29665, 32810, 36091, 38390, 42460, 59330, 65263, 65620, 67357, 72182, 76780, 118660, 130526, 134714, 144364, 180455, 261052, 269428, 326315, 336785, 360910, 652630, 673570, 721820, 740927, 1145069, 1305260, 1347140, 1481854, 2290138, 2963708, 3704635, 4580276, 5725345, 7409270, 11450690, 12595759, 14818540, 22901380, 25191518, 50383036, 62978795, 125957590, 251915180]

約数ペア:

[(1, 251915180), (2, 125957590), (4, 62978795), (5, 50383036), (10, 25191518), (11, 22901380), (17, 14818540), (20, 12595759), (22, 11450690), (34, 7409270), (44, 5725345), (55, 4580276), (68, 3704635), (85, 2963708), (110, 2290138), (170, 1481854), (187, 1347140), (193, 1305260), (220, 1145069), (340, 740927), (349, 721820), (374, 673570), (386, 652630), (698, 360910), (748, 336785), (772, 326315), (935, 269428), (965, 261052), (1396, 180455), (1745, 144364), (1870, 134714), (1930, 130526), (2123, 118660), (3281, 76780), (3490, 72182), (3740, 67357), (3839, 65620), (3860, 65263), (4246, 59330), (5933, 42460), (6562, 38390), (6980, 36091), (7678, 32810), (8492, 29665), (10615, 23732), (11866, 21230), (13124, 19195), (15356, 16405)]