312643380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{744389}}^1$

素因数の和:744408

約数の個数: 48

約数和(自身を含む): 1000460160

約数和(自身を除く): 687816780

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, 744389, 1488778, 2233167, 2977556, 3721945, 4466334, 5210723, 7443890, 8932668, 10421446, 11165835, 14887780, 15632169, 20842892, 22331670, 26053615, 31264338, 44663340, 52107230, 62528676, 78160845, 104214460, 156321690, 312643380]

約数ペア:

[(1, 312643380), (2, 156321690), (3, 104214460), (4, 78160845), (5, 62528676), (6, 52107230), (7, 44663340), (10, 31264338), (12, 26053615), (14, 22331670), (15, 20842892), (20, 15632169), (21, 14887780), (28, 11165835), (30, 10421446), (35, 8932668), (42, 7443890), (60, 5210723), (70, 4466334), (84, 3721945), (105, 2977556), (140, 2233167), (210, 1488778), (420, 744389)]