78495080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{577}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 187272000

約数和(自身を除く): 108776920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 358, 380, 577, 716, 760, 895, 1154, 1432, 1790, 2308, 2885, 3401, 3580, 4616, 5770, 6802, 7160, 10963, 11540, 13604, 17005, 21926, 23080, 27208, 34010, 43852, 54815, 68020, 87704, 103283, 109630, 136040, 206566, 219260, 413132, 438520, 516415, 826264, 1032830, 1962377, 2065660, 3924754, 4131320, 7849508, 9811885, 15699016, 19623770, 39247540, 78495080]

約数ペア:

[(1, 78495080), (2, 39247540), (4, 19623770), (5, 15699016), (8, 9811885), (10, 7849508), (19, 4131320), (20, 3924754), (38, 2065660), (40, 1962377), (76, 1032830), (95, 826264), (152, 516415), (179, 438520), (190, 413132), (358, 219260), (380, 206566), (577, 136040), (716, 109630), (760, 103283), (895, 87704), (1154, 68020), (1432, 54815), (1790, 43852), (2308, 34010), (2885, 27208), (3401, 23080), (3580, 21926), (4616, 17005), (5770, 13604), (6802, 11540), (7160, 10963)]