201620529400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{587}}^1\times {\mathrm{21739}}^1$

素因数の和:22421

約数の個数: 96

約数和(自身を含む): 475532064000

約数和(自身を除く): 273911534600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 587, 632, 790, 1174, 1580, 1975, 2348, 2935, 3160, 3950, 4696, 5870, 7900, 11740, 14675, 15800, 21739, 23480, 29350, 43478, 46373, 58700, 86956, 92746, 108695, 117400, 173912, 185492, 217390, 231865, 370984, 434780, 463730, 543475, 869560, 927460, 1086950, 1159325, 1717381, 1854920, 2173900, 2318650, 3434762, 4347800, 4637300, 6869524, 8586905, 9274600, 12760793, 13739048, 17173810, 25521586, 34347620, 42934525, 51043172, 63803965, 68695240, 85869050, 102086344, 127607930, 171738100, 255215860, 319019825, 343476200, 510431720, 638039650, 1008102647, 1276079300, 2016205294, 2552158600, 4032410588, 5040513235, 8064821176, 10081026470, 20162052940, 25202566175, 40324105880, 50405132350, 100810264700, 201620529400]

約数ペア:

[(1, 201620529400), (2, 100810264700), (4, 50405132350), (5, 40324105880), (8, 25202566175), (10, 20162052940), (20, 10081026470), (25, 8064821176), (40, 5040513235), (50, 4032410588), (79, 2552158600), (100, 2016205294), (158, 1276079300), (200, 1008102647), (316, 638039650), (395, 510431720), (587, 343476200), (632, 319019825), (790, 255215860), (1174, 171738100), (1580, 127607930), (1975, 102086344), (2348, 85869050), (2935, 68695240), (3160, 63803965), (3950, 51043172), (4696, 42934525), (5870, 34347620), (7900, 25521586), (11740, 17173810), (14675, 13739048), (15800, 12760793), (21739, 9274600), (23480, 8586905), (29350, 6869524), (43478, 4637300), (46373, 4347800), (58700, 3434762), (86956, 2318650), (92746, 2173900), (108695, 1854920), (117400, 1717381), (173912, 1159325), (185492, 1086950), (217390, 927460), (231865, 869560), (370984, 543475), (434780, 463730)]