2172500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:114

約数の個数: 60

約数和(自身を含む): 5248320

約数和(自身を除く): 3075820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 125, 158, 220, 250, 275, 316, 395, 500, 550, 625, 790, 869, 1100, 1250, 1375, 1580, 1738, 1975, 2500, 2750, 3476, 3950, 4345, 5500, 6875, 7900, 8690, 9875, 13750, 17380, 19750, 21725, 27500, 39500, 43450, 49375, 86900, 98750, 108625, 197500, 217250, 434500, 543125, 1086250, 2172500]

約数ペア:

[(1, 2172500), (2, 1086250), (4, 543125), (5, 434500), (10, 217250), (11, 197500), (20, 108625), (22, 98750), (25, 86900), (44, 49375), (50, 43450), (55, 39500), (79, 27500), (100, 21725), (110, 19750), (125, 17380), (158, 13750), (220, 9875), (250, 8690), (275, 7900), (316, 6875), (395, 5500), (500, 4345), (550, 3950), (625, 3476), (790, 2750), (869, 2500), (1100, 1975), (1250, 1738), (1375, 1580)]