85839820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 201096000

約数和(自身を除く): 115256180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 158, 220, 242, 316, 395, 449, 484, 605, 790, 869, 898, 1210, 1580, 1738, 1796, 2245, 2420, 3476, 4345, 4490, 4939, 8690, 8980, 9559, 9878, 17380, 19118, 19756, 24695, 35471, 38236, 47795, 49390, 54329, 70942, 95590, 98780, 108658, 141884, 177355, 191180, 217316, 271645, 354710, 390181, 543290, 709420, 780362, 1086580, 1560724, 1950905, 3901810, 4291991, 7803620, 8583982, 17167964, 21459955, 42919910, 85839820]

約数ペア:

[(1, 85839820), (2, 42919910), (4, 21459955), (5, 17167964), (10, 8583982), (11, 7803620), (20, 4291991), (22, 3901810), (44, 1950905), (55, 1560724), (79, 1086580), (110, 780362), (121, 709420), (158, 543290), (220, 390181), (242, 354710), (316, 271645), (395, 217316), (449, 191180), (484, 177355), (605, 141884), (790, 108658), (869, 98780), (898, 95590), (1210, 70942), (1580, 54329), (1738, 49390), (1796, 47795), (2245, 38236), (2420, 35471), (3476, 24695), (4345, 19756), (4490, 19118), (4939, 17380), (8690, 9878), (8980, 9559)]