28254350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 55710720

約数和(自身を除く): 27456370

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 79, 115, 158, 230, 311, 395, 575, 622, 790, 1150, 1555, 1817, 1975, 3110, 3634, 3950, 7153, 7775, 9085, 14306, 15550, 18170, 24569, 35765, 45425, 49138, 71530, 90850, 122845, 178825, 245690, 357650, 565087, 614225, 1130174, 1228450, 2825435, 5650870, 14127175, 28254350]

約数ペア:

[(1, 28254350), (2, 14127175), (5, 5650870), (10, 2825435), (23, 1228450), (25, 1130174), (46, 614225), (50, 565087), (79, 357650), (115, 245690), (158, 178825), (230, 122845), (311, 90850), (395, 71530), (575, 49138), (622, 45425), (790, 35765), (1150, 24569), (1555, 18170), (1817, 15550), (1975, 14306), (3110, 9085), (3634, 7775), (3950, 7153)]