229920520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1069}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 546984000

約数和(自身を除く): 317063480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 283, 380, 566, 760, 1069, 1132, 1415, 2138, 2264, 2830, 4276, 5345, 5377, 5660, 8552, 10690, 10754, 11320, 20311, 21380, 21508, 26885, 40622, 42760, 43016, 53770, 81244, 101555, 107540, 162488, 203110, 215080, 302527, 406220, 605054, 812440, 1210108, 1512635, 2420216, 3025270, 5748013, 6050540, 11496026, 12101080, 22992052, 28740065, 45984104, 57480130, 114960260, 229920520]

約数ペア:

[(1, 229920520), (2, 114960260), (4, 57480130), (5, 45984104), (8, 28740065), (10, 22992052), (19, 12101080), (20, 11496026), (38, 6050540), (40, 5748013), (76, 3025270), (95, 2420216), (152, 1512635), (190, 1210108), (283, 812440), (380, 605054), (566, 406220), (760, 302527), (1069, 215080), (1132, 203110), (1415, 162488), (2138, 107540), (2264, 101555), (2830, 81244), (4276, 53770), (5345, 43016), (5377, 42760), (5660, 40622), (8552, 26885), (10690, 21508), (10754, 21380), (11320, 20311)]