201821340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480527}}^1$

素因数の和:480546

約数の個数: 48

約数和(自身を含む): 645829632

約数和(自身を除く): 444008292

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, 480527, 961054, 1441581, 1922108, 2402635, 2883162, 3363689, 4805270, 5766324, 6727378, 7207905, 9610540, 10091067, 13454756, 14415810, 16818445, 20182134, 28831620, 33636890, 40364268, 50455335, 67273780, 100910670, 201821340]

約数ペア:

[(1, 201821340), (2, 100910670), (3, 67273780), (4, 50455335), (5, 40364268), (6, 33636890), (7, 28831620), (10, 20182134), (12, 16818445), (14, 14415810), (15, 13454756), (20, 10091067), (21, 9610540), (28, 7207905), (30, 6727378), (35, 5766324), (42, 4805270), (60, 3363689), (70, 2883162), (84, 2402635), (105, 1922108), (140, 1441581), (210, 961054), (420, 480527)]