390017072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{2459}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 790663680

約数和(自身を除く): 400646608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 431, 862, 1724, 2459, 3448, 4918, 6896, 9836, 9913, 19672, 19826, 39344, 39652, 56557, 79304, 113114, 158608, 226228, 452456, 904912, 1059829, 2119658, 4239316, 8478632, 16957264, 24376067, 48752134, 97504268, 195008536, 390017072]

約数ペア:

[(1, 390017072), (2, 195008536), (4, 97504268), (8, 48752134), (16, 24376067), (23, 16957264), (46, 8478632), (92, 4239316), (184, 2119658), (368, 1059829), (431, 904912), (862, 452456), (1724, 226228), (2459, 158608), (3448, 113114), (4918, 79304), (6896, 56557), (9836, 39652), (9913, 39344), (19672, 19826)]