820031036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 1618822800

約数和(自身を除く): 798791764

約数列:

[1, 2, 4, 11, 22, 44, 83, 121, 137, 149, 166, 242, 274, 298, 332, 484, 548, 596, 913, 1507, 1639, 1826, 3014, 3278, 3652, 6028, 6556, 10043, 11371, 12367, 16577, 18029, 20086, 20413, 22742, 24734, 33154, 36058, 40172, 40826, 45484, 49468, 66308, 72116, 81652, 125081, 136037, 224543, 250162, 272074, 449086, 500324, 544148, 898172, 1375891, 1496407, 1694279, 2469973, 2751782, 2992814, 3388558, 4939946, 5503564, 5985628, 6777116, 9879892, 18637069, 37274138, 74548276, 205007759, 410015518, 820031036]

約数ペア:

[(1, 820031036), (2, 410015518), (4, 205007759), (11, 74548276), (22, 37274138), (44, 18637069), (83, 9879892), (121, 6777116), (137, 5985628), (149, 5503564), (166, 4939946), (242, 3388558), (274, 2992814), (298, 2751782), (332, 2469973), (484, 1694279), (548, 1496407), (596, 1375891), (913, 898172), (1507, 544148), (1639, 500324), (1826, 449086), (3014, 272074), (3278, 250162), (3652, 224543), (6028, 136037), (6556, 125081), (10043, 81652), (11371, 72116), (12367, 66308), (16577, 49468), (18029, 45484), (20086, 40826), (20413, 40172), (22742, 36058), (24734, 33154)]