211237580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1877}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 471362976

約数和(自身を除く): 260125396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 662, 1324, 1655, 1877, 3310, 3754, 5627, 6620, 7508, 9385, 11254, 18770, 22508, 28135, 31909, 37540, 56270, 63818, 112540, 127636, 159545, 319090, 621287, 638180, 1242574, 2485148, 3106435, 6212870, 10561879, 12425740, 21123758, 42247516, 52809395, 105618790, 211237580]

約数ペア:

[(1, 211237580), (2, 105618790), (4, 52809395), (5, 42247516), (10, 21123758), (17, 12425740), (20, 10561879), (34, 6212870), (68, 3106435), (85, 2485148), (170, 1242574), (331, 638180), (340, 621287), (662, 319090), (1324, 159545), (1655, 127636), (1877, 112540), (3310, 63818), (3754, 56270), (5627, 37540), (6620, 31909), (7508, 28135), (9385, 22508), (11254, 18770)]