272759340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{649427}}^1$

素因数の和:649446

約数の個数: 48

約数和(自身を含む): 872831232

約数和(自身を除く): 600071892

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, 649427, 1298854, 1948281, 2597708, 3247135, 3896562, 4545989, 6494270, 7793124, 9091978, 9741405, 12988540, 13637967, 18183956, 19482810, 22729945, 27275934, 38965620, 45459890, 54551868, 68189835, 90919780, 136379670, 272759340]

約数ペア:

[(1, 272759340), (2, 136379670), (3, 90919780), (4, 68189835), (5, 54551868), (6, 45459890), (7, 38965620), (10, 27275934), (12, 22729945), (14, 19482810), (15, 18183956), (20, 13637967), (21, 12988540), (28, 9741405), (30, 9091978), (35, 7793124), (42, 6494270), (60, 4545989), (70, 3896562), (84, 3247135), (105, 2597708), (140, 1948281), (210, 1298854), (420, 649427)]