28845250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 63078912

約数和(自身を除く): 34233662

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 125, 175, 250, 265, 311, 350, 371, 530, 622, 742, 875, 1325, 1555, 1750, 1855, 2177, 2650, 3110, 3710, 4354, 6625, 7775, 9275, 10885, 13250, 15550, 16483, 18550, 21770, 32966, 38875, 46375, 54425, 77750, 82415, 92750, 108850, 115381, 164830, 230762, 272125, 412075, 544250, 576905, 824150, 1153810, 2060375, 2884525, 4120750, 5769050, 14422625, 28845250]

約数ペア:

[(1, 28845250), (2, 14422625), (5, 5769050), (7, 4120750), (10, 2884525), (14, 2060375), (25, 1153810), (35, 824150), (50, 576905), (53, 544250), (70, 412075), (106, 272125), (125, 230762), (175, 164830), (250, 115381), (265, 108850), (311, 92750), (350, 82415), (371, 77750), (530, 54425), (622, 46375), (742, 38875), (875, 32966), (1325, 21770), (1555, 18550), (1750, 16483), (1855, 15550), (2177, 13250), (2650, 10885), (3110, 9275), (3710, 7775), (4354, 6625)]