140459340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{334427}}^1$

素因数の和:334446

約数の個数: 48

約数和(自身を含む): 449471232

約数和(自身を除く): 309011892

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, 334427, 668854, 1003281, 1337708, 1672135, 2006562, 2340989, 3344270, 4013124, 4681978, 5016405, 6688540, 7022967, 9363956, 10032810, 11704945, 14045934, 20065620, 23409890, 28091868, 35114835, 46819780, 70229670, 140459340]

約数ペア:

[(1, 140459340), (2, 70229670), (3, 46819780), (4, 35114835), (5, 28091868), (6, 23409890), (7, 20065620), (10, 14045934), (12, 11704945), (14, 10032810), (15, 9363956), (20, 7022967), (21, 6688540), (28, 5016405), (30, 4681978), (35, 4013124), (42, 3344270), (60, 2340989), (70, 2006562), (84, 1672135), (105, 1337708), (140, 1003281), (210, 668854), (420, 334427)]