31159380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74189}}^1$

素因数の和:74208

約数の個数: 48

約数和(自身を含む): 99711360

約数和(自身を除く): 68551980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 74189, 148378, 222567, 296756, 370945, 445134, 519323, 741890, 890268, 1038646, 1112835, 1483780, 1557969, 2077292, 2225670, 2596615, 3115938, 4451340, 5193230, 6231876, 7789845, 10386460, 15579690, 31159380]

約数ペア:

[(1, 31159380), (2, 15579690), (3, 10386460), (4, 7789845), (5, 6231876), (6, 5193230), (7, 4451340), (10, 3115938), (12, 2596615), (14, 2225670), (15, 2077292), (20, 1557969), (21, 1483780), (28, 1112835), (30, 1038646), (35, 890268), (42, 741890), (60, 519323), (70, 445134), (84, 370945), (105, 296756), (140, 222567), (210, 148378), (420, 74189)]