166919340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397427}}^1$

素因数の和:397446

約数の個数: 48

約数和(自身を含む): 534143232

約数和(自身を除く): 367223892

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, 397427, 794854, 1192281, 1589708, 1987135, 2384562, 2781989, 3974270, 4769124, 5563978, 5961405, 7948540, 8345967, 11127956, 11922810, 13909945, 16691934, 23845620, 27819890, 33383868, 41729835, 55639780, 83459670, 166919340]

約数ペア:

[(1, 166919340), (2, 83459670), (3, 55639780), (4, 41729835), (5, 33383868), (6, 27819890), (7, 23845620), (10, 16691934), (12, 13909945), (14, 11922810), (15, 11127956), (20, 8345967), (21, 7948540), (28, 5961405), (30, 5563978), (35, 4769124), (42, 3974270), (60, 2781989), (70, 2384562), (84, 1987135), (105, 1589708), (140, 1192281), (210, 794854), (420, 397427)]