207924040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 477734400

約数和(自身を除く): 269810360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 109, 206, 218, 412, 436, 463, 515, 545, 824, 872, 926, 1030, 1090, 1852, 2060, 2180, 2315, 3704, 4120, 4360, 4630, 9260, 11227, 18520, 22454, 44908, 47689, 50467, 56135, 89816, 95378, 100934, 112270, 190756, 201868, 224540, 238445, 252335, 381512, 403736, 449080, 476890, 504670, 953780, 1009340, 1907560, 2018680, 5198101, 10396202, 20792404, 25990505, 41584808, 51981010, 103962020, 207924040]

約数ペア:

[(1, 207924040), (2, 103962020), (4, 51981010), (5, 41584808), (8, 25990505), (10, 20792404), (20, 10396202), (40, 5198101), (103, 2018680), (109, 1907560), (206, 1009340), (218, 953780), (412, 504670), (436, 476890), (463, 449080), (515, 403736), (545, 381512), (824, 252335), (872, 238445), (926, 224540), (1030, 201868), (1090, 190756), (1852, 112270), (2060, 100934), (2180, 95378), (2315, 89816), (3704, 56135), (4120, 50467), (4360, 47689), (4630, 44908), (9260, 22454), (11227, 18520)]