178865080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1216

約数の個数: 64

約数和(自身を含む): 416016000

約数和(自身を除く): 237150920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 890, 940, 1069, 1780, 1880, 2138, 3560, 4183, 4276, 5345, 8366, 8552, 10690, 16732, 20915, 21380, 33464, 41830, 42760, 50243, 83660, 95141, 100486, 167320, 190282, 200972, 251215, 380564, 401944, 475705, 502430, 761128, 951410, 1004860, 1902820, 2009720, 3805640, 4471627, 8943254, 17886508, 22358135, 35773016, 44716270, 89432540, 178865080]

約数ペア:

[(1, 178865080), (2, 89432540), (4, 44716270), (5, 35773016), (8, 22358135), (10, 17886508), (20, 8943254), (40, 4471627), (47, 3805640), (89, 2009720), (94, 1902820), (178, 1004860), (188, 951410), (235, 761128), (356, 502430), (376, 475705), (445, 401944), (470, 380564), (712, 251215), (890, 200972), (940, 190282), (1069, 167320), (1780, 100486), (1880, 95141), (2138, 83660), (3560, 50243), (4183, 42760), (4276, 41830), (5345, 33464), (8366, 21380), (8552, 20915), (10690, 16732)]