431465180

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 917360640

約数和(自身を除く): 485895460

約数列:

[1, 2, 4, 5, 10, 20, 179, 191, 358, 382, 631, 716, 764, 895, 955, 1262, 1790, 1910, 2524, 3155, 3580, 3820, 6310, 12620, 34189, 68378, 112949, 120521, 136756, 170945, 225898, 241042, 341890, 451796, 482084, 564745, 602605, 683780, 1129490, 1205210, 2258980, 2410420, 21573259, 43146518, 86293036, 107866295, 215732590, 431465180]

約数ペア:

[(1, 431465180), (2, 215732590), (4, 107866295), (5, 86293036), (10, 43146518), (20, 21573259), (179, 2410420), (191, 2258980), (358, 1205210), (382, 1129490), (631, 683780), (716, 602605), (764, 564745), (895, 482084), (955, 451796), (1262, 341890), (1790, 241042), (1910, 225898), (2524, 170945), (3155, 136756), (3580, 120521), (3820, 112949), (6310, 68378), (12620, 34189)]