28067750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 55632096

約数和(自身を除く): 27564346

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 311, 361, 475, 622, 722, 950, 1555, 1805, 2375, 3110, 3610, 4750, 5909, 7775, 9025, 11818, 15550, 18050, 29545, 38875, 45125, 59090, 77750, 90250, 112271, 147725, 224542, 295450, 561355, 738625, 1122710, 1477250, 2806775, 5613550, 14033875, 28067750]

約数ペア:

[(1, 28067750), (2, 14033875), (5, 5613550), (10, 2806775), (19, 1477250), (25, 1122710), (38, 738625), (50, 561355), (95, 295450), (125, 224542), (190, 147725), (250, 112271), (311, 90250), (361, 77750), (475, 59090), (622, 45125), (722, 38875), (950, 29545), (1555, 18050), (1805, 15550), (2375, 11818), (3110, 9025), (3610, 7775), (4750, 5909)]