27812138500

素因数分解:

$2^2\times 5^3\times {\mathrm{389}}^1\times {\mathrm{142993}}^1$

素因数の和:143401

約数の個数: 48

約数和(自身を含む): 60898284720

約数和(自身を除く): 33086146220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 389, 500, 778, 1556, 1945, 3890, 7780, 9725, 19450, 38900, 48625, 97250, 142993, 194500, 285986, 571972, 714965, 1429930, 2859860, 3574825, 7149650, 14299300, 17874125, 35748250, 55624277, 71496500, 111248554, 222497108, 278121385, 556242770, 1112485540, 1390606925, 2781213850, 5562427700, 6953034625, 13906069250, 27812138500]

約数ペア:

[(1, 27812138500), (2, 13906069250), (4, 6953034625), (5, 5562427700), (10, 2781213850), (20, 1390606925), (25, 1112485540), (50, 556242770), (100, 278121385), (125, 222497108), (250, 111248554), (389, 71496500), (500, 55624277), (778, 35748250), (1556, 17874125), (1945, 14299300), (3890, 7149650), (7780, 3574825), (9725, 2859860), (19450, 1429930), (38900, 714965), (48625, 571972), (97250, 285986), (142993, 194500)]