72284290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 146272896

約数和(自身を除く): 73988606

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 67, 86, 130, 134, 193, 215, 335, 386, 430, 559, 670, 871, 965, 1118, 1742, 1930, 2509, 2795, 2881, 4355, 5018, 5590, 5762, 8299, 8710, 12545, 12931, 14405, 16598, 25090, 25862, 28810, 37453, 41495, 64655, 74906, 82990, 107887, 129310, 168103, 187265, 215774, 336206, 374530, 539435, 556033, 840515, 1078870, 1112066, 1681030, 2780165, 5560330, 7228429, 14456858, 36142145, 72284290]

約数ペア:

[(1, 72284290), (2, 36142145), (5, 14456858), (10, 7228429), (13, 5560330), (26, 2780165), (43, 1681030), (65, 1112066), (67, 1078870), (86, 840515), (130, 556033), (134, 539435), (193, 374530), (215, 336206), (335, 215774), (386, 187265), (430, 168103), (559, 129310), (670, 107887), (871, 82990), (965, 74906), (1118, 64655), (1742, 41495), (1930, 37453), (2509, 28810), (2795, 25862), (2881, 25090), (4355, 16598), (5018, 14405), (5590, 12931), (5762, 12545), (8299, 8710)]