311261260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 672706944

約数和(自身を除く): 361445684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 188, 235, 274, 470, 548, 685, 940, 1370, 2417, 2740, 4834, 6439, 9668, 12085, 12878, 24170, 25756, 32195, 48340, 64390, 113599, 128780, 227198, 331129, 454396, 567995, 662258, 1135990, 1324516, 1655645, 2271980, 3311290, 6622580, 15563063, 31126126, 62252252, 77815315, 155630630, 311261260]

約数ペア:

[(1, 311261260), (2, 155630630), (4, 77815315), (5, 62252252), (10, 31126126), (20, 15563063), (47, 6622580), (94, 3311290), (137, 2271980), (188, 1655645), (235, 1324516), (274, 1135990), (470, 662258), (548, 567995), (685, 454396), (940, 331129), (1370, 227198), (2417, 128780), (2740, 113599), (4834, 64390), (6439, 48340), (9668, 32195), (12085, 25756), (12878, 24170)]