90575380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1223}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 227428992

約数和(自身を除く): 136853612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 1058, 1223, 1610, 2116, 2446, 2645, 3220, 3703, 4892, 5290, 6115, 7406, 8561, 10580, 12230, 14812, 17122, 18515, 24460, 28129, 34244, 37030, 42805, 56258, 74060, 85610, 112516, 140645, 171220, 196903, 281290, 393806, 562580, 646967, 787612, 984515, 1293934, 1969030, 2587868, 3234835, 3938060, 4528769, 6469670, 9057538, 12939340, 18115076, 22643845, 45287690, 90575380]

約数ペア:

[(1, 90575380), (2, 45287690), (4, 22643845), (5, 18115076), (7, 12939340), (10, 9057538), (14, 6469670), (20, 4528769), (23, 3938060), (28, 3234835), (35, 2587868), (46, 1969030), (70, 1293934), (92, 984515), (115, 787612), (140, 646967), (161, 562580), (230, 393806), (322, 281290), (460, 196903), (529, 171220), (644, 140645), (805, 112516), (1058, 85610), (1223, 74060), (1610, 56258), (2116, 42805), (2446, 37030), (2645, 34244), (3220, 28129), (3703, 24460), (4892, 18515), (5290, 17122), (6115, 14812), (7406, 12230), (8561, 10580)]