31301340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74527}}^1$

素因数の和:74546

約数の個数: 48

約数和(自身を含む): 100165632

約数和(自身を除く): 68864292

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, 74527, 149054, 223581, 298108, 372635, 447162, 521689, 745270, 894324, 1043378, 1117905, 1490540, 1565067, 2086756, 2235810, 2608445, 3130134, 4471620, 5216890, 6260268, 7825335, 10433780, 15650670, 31301340]

約数ペア:

[(1, 31301340), (2, 15650670), (3, 10433780), (4, 7825335), (5, 6260268), (6, 5216890), (7, 4471620), (10, 3130134), (12, 2608445), (14, 2235810), (15, 2086756), (20, 1565067), (21, 1490540), (28, 1117905), (30, 1043378), (35, 894324), (42, 745270), (60, 521689), (70, 447162), (84, 372635), (105, 298108), (140, 223581), (210, 149054), (420, 74527)]