87305470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 189029376

約数和(自身を除く): 101723906

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 211, 230, 257, 322, 422, 514, 805, 1055, 1285, 1477, 1610, 1799, 2110, 2570, 2954, 3598, 4853, 5911, 7385, 8995, 9706, 11822, 14770, 17990, 24265, 29555, 33971, 41377, 48530, 54227, 59110, 67942, 82754, 108454, 169855, 206885, 271135, 339710, 379589, 413770, 542270, 759178, 1247221, 1897945, 2494442, 3795890, 6236105, 8730547, 12472210, 17461094, 43652735, 87305470]

約数ペア:

[(1, 87305470), (2, 43652735), (5, 17461094), (7, 12472210), (10, 8730547), (14, 6236105), (23, 3795890), (35, 2494442), (46, 1897945), (70, 1247221), (115, 759178), (161, 542270), (211, 413770), (230, 379589), (257, 339710), (322, 271135), (422, 206885), (514, 169855), (805, 108454), (1055, 82754), (1285, 67942), (1477, 59110), (1610, 54227), (1799, 48530), (2110, 41377), (2570, 33971), (2954, 29555), (3598, 24265), (4853, 17990), (5911, 14770), (7385, 11822), (8995, 9706)]