54917500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 60

約数和(自身を含む): 131076792

約数和(自身を除く): 76159292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 1997, 2500, 2750, 3994, 5500, 6875, 7988, 9985, 13750, 19970, 21967, 27500, 39940, 43934, 49925, 87868, 99850, 109835, 199700, 219670, 249625, 439340, 499250, 549175, 998500, 1098350, 1248125, 2196700, 2496250, 2745875, 4992500, 5491750, 10983500, 13729375, 27458750, 54917500]

約数ペア:

[(1, 54917500), (2, 27458750), (4, 13729375), (5, 10983500), (10, 5491750), (11, 4992500), (20, 2745875), (22, 2496250), (25, 2196700), (44, 1248125), (50, 1098350), (55, 998500), (100, 549175), (110, 499250), (125, 439340), (220, 249625), (250, 219670), (275, 199700), (500, 109835), (550, 99850), (625, 87868), (1100, 49925), (1250, 43934), (1375, 39940), (1997, 27500), (2500, 21967), (2750, 19970), (3994, 13750), (5500, 9985), (6875, 7988)]