28380750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 43504050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 125, 150, 158, 237, 250, 375, 395, 474, 479, 750, 790, 958, 1185, 1437, 1975, 2370, 2395, 2874, 3950, 4790, 5925, 7185, 9875, 11850, 11975, 14370, 19750, 23950, 29625, 35925, 37841, 59250, 59875, 71850, 75682, 113523, 119750, 179625, 189205, 227046, 359250, 378410, 567615, 946025, 1135230, 1892050, 2838075, 4730125, 5676150, 9460250, 14190375, 28380750]

約数ペア:

[(1, 28380750), (2, 14190375), (3, 9460250), (5, 5676150), (6, 4730125), (10, 2838075), (15, 1892050), (25, 1135230), (30, 946025), (50, 567615), (75, 378410), (79, 359250), (125, 227046), (150, 189205), (158, 179625), (237, 119750), (250, 113523), (375, 75682), (395, 71850), (474, 59875), (479, 59250), (750, 37841), (790, 35925), (958, 29625), (1185, 23950), (1437, 19750), (1975, 14370), (2370, 11975), (2395, 11850), (2874, 9875), (3950, 7185), (4790, 5925)]