42820690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 86796864

約数和(自身を除く): 43976174

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 242, 430, 473, 605, 823, 946, 1210, 1646, 2365, 4115, 4730, 5203, 8230, 9053, 10406, 18106, 26015, 35389, 45265, 52030, 70778, 90530, 99583, 176945, 199166, 353890, 389279, 497915, 778558, 995830, 1946395, 3892790, 4282069, 8564138, 21410345, 42820690]

約数ペア:

[(1, 42820690), (2, 21410345), (5, 8564138), (10, 4282069), (11, 3892790), (22, 1946395), (43, 995830), (55, 778558), (86, 497915), (110, 389279), (121, 353890), (215, 199166), (242, 176945), (430, 99583), (473, 90530), (605, 70778), (823, 52030), (946, 45265), (1210, 35389), (1646, 26015), (2365, 18106), (4115, 10406), (4730, 9053), (5203, 8230)]