164758020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{392281}}^1$

素因数の和:392300

約数の個数: 48

約数和(自身を含む): 527227008

約数和(自身を除く): 362468988

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, 392281, 784562, 1176843, 1569124, 1961405, 2353686, 2745967, 3922810, 4707372, 5491934, 5884215, 7845620, 8237901, 10983868, 11768430, 13729835, 16475802, 23536860, 27459670, 32951604, 41189505, 54919340, 82379010, 164758020]

約数ペア:

[(1, 164758020), (2, 82379010), (3, 54919340), (4, 41189505), (5, 32951604), (6, 27459670), (7, 23536860), (10, 16475802), (12, 13729835), (14, 11768430), (15, 10983868), (20, 8237901), (21, 7845620), (28, 5884215), (30, 5491934), (35, 4707372), (42, 3922810), (60, 2745967), (70, 2353686), (84, 1961405), (105, 1569124), (140, 1176843), (210, 784562), (420, 392281)]