197028500

素因数分解:

$2^2\times 5^3\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 431842320

約数和(自身を除く): 234813820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 389, 500, 778, 1013, 1556, 1945, 2026, 3890, 4052, 5065, 7780, 9725, 10130, 19450, 20260, 25325, 38900, 48625, 50650, 97250, 101300, 126625, 194500, 253250, 394057, 506500, 788114, 1576228, 1970285, 3940570, 7881140, 9851425, 19702850, 39405700, 49257125, 98514250, 197028500]

約数ペア:

[(1, 197028500), (2, 98514250), (4, 49257125), (5, 39405700), (10, 19702850), (20, 9851425), (25, 7881140), (50, 3940570), (100, 1970285), (125, 1576228), (250, 788114), (389, 506500), (500, 394057), (778, 253250), (1013, 194500), (1556, 126625), (1945, 101300), (2026, 97250), (3890, 50650), (4052, 48625), (5065, 38900), (7780, 25325), (9725, 20260), (10130, 19450)]