279038060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{42407}}^1$

素因数の和:42470

約数の個数: 48

約数和(自身を含む): 683956224

約数和(自身を除く): 404918164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 42407, 84814, 169628, 212035, 296849, 424070, 593698, 848140, 1187396, 1484245, 1993129, 2968490, 3986258, 5936980, 7972516, 9965645, 13951903, 19931290, 27903806, 39862580, 55807612, 69759515, 139519030, 279038060]

約数ペア:

[(1, 279038060), (2, 139519030), (4, 69759515), (5, 55807612), (7, 39862580), (10, 27903806), (14, 19931290), (20, 13951903), (28, 9965645), (35, 7972516), (47, 5936980), (70, 3986258), (94, 2968490), (140, 1993129), (188, 1484245), (235, 1187396), (329, 848140), (470, 593698), (658, 424070), (940, 296849), (1316, 212035), (1645, 169628), (3290, 84814), (6580, 42407)]