90280148

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 192860640

約数和(自身を除く): 102580492

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 59, 74, 98, 118, 148, 196, 211, 236, 259, 413, 422, 518, 826, 844, 1036, 1477, 1652, 1813, 2183, 2891, 2954, 3626, 4366, 5782, 5908, 7252, 7807, 8732, 10339, 11564, 12449, 15281, 15614, 20678, 24898, 30562, 31228, 41356, 49796, 54649, 61124, 87143, 106967, 109298, 174286, 213934, 218596, 348572, 382543, 427868, 460613, 610001, 765086, 921226, 1220002, 1530172, 1842452, 2440004, 3224291, 6448582, 12897164, 22570037, 45140074, 90280148]

約数ペア:

[(1, 90280148), (2, 45140074), (4, 22570037), (7, 12897164), (14, 6448582), (28, 3224291), (37, 2440004), (49, 1842452), (59, 1530172), (74, 1220002), (98, 921226), (118, 765086), (148, 610001), (196, 460613), (211, 427868), (236, 382543), (259, 348572), (413, 218596), (422, 213934), (518, 174286), (826, 109298), (844, 106967), (1036, 87143), (1477, 61124), (1652, 54649), (1813, 49796), (2183, 41356), (2891, 31228), (2954, 30562), (3626, 24898), (4366, 20678), (5782, 15614), (5908, 15281), (7252, 12449), (7807, 11564), (8732, 10339)]