268451810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1667

約数の個数: 48

約数和(自身を含む): 535059000

約数和(自身を除く): 266607190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 149, 242, 298, 605, 745, 1210, 1489, 1490, 1639, 2978, 3278, 7445, 8195, 14890, 16379, 16390, 18029, 32758, 36058, 81895, 90145, 163790, 180169, 180290, 221861, 360338, 443722, 900845, 1109305, 1801690, 2218610, 2440471, 4880942, 12202355, 24404710, 26845181, 53690362, 134225905, 268451810]

約数ペア:

[(1, 268451810), (2, 134225905), (5, 53690362), (10, 26845181), (11, 24404710), (22, 12202355), (55, 4880942), (110, 2440471), (121, 2218610), (149, 1801690), (242, 1109305), (298, 900845), (605, 443722), (745, 360338), (1210, 221861), (1489, 180290), (1490, 180169), (1639, 163790), (2978, 90145), (3278, 81895), (7445, 36058), (8195, 32758), (14890, 18029), (16379, 16390)]