491260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 1340640

約数和(自身を除く): 849380

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 121, 140, 145, 154, 203, 220, 242, 290, 308, 319, 385, 406, 484, 580, 605, 638, 770, 812, 847, 1015, 1210, 1276, 1540, 1595, 1694, 2030, 2233, 2420, 3190, 3388, 3509, 4060, 4235, 4466, 6380, 7018, 8470, 8932, 11165, 14036, 16940, 17545, 22330, 24563, 35090, 44660, 49126, 70180, 98252, 122815, 245630, 491260]

約数ペア:

[(1, 491260), (2, 245630), (4, 122815), (5, 98252), (7, 70180), (10, 49126), (11, 44660), (14, 35090), (20, 24563), (22, 22330), (28, 17545), (29, 16940), (35, 14036), (44, 11165), (55, 8932), (58, 8470), (70, 7018), (77, 6380), (110, 4466), (116, 4235), (121, 4060), (140, 3509), (145, 3388), (154, 3190), (203, 2420), (220, 2233), (242, 2030), (290, 1694), (308, 1595), (319, 1540), (385, 1276), (406, 1210), (484, 1015), (580, 847), (605, 812), (638, 770)]