797242000

素因数分解:

$2^4\times 5^3\times {\mathrm{398621}}^1$

素因数の和:398644

約数の個数: 40

約数和(自身を含む): 1927735992

約数和(自身を除く): 1130493992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 398621, 797242, 1594484, 1993105, 3188968, 3986210, 6377936, 7972420, 9965525, 15944840, 19931050, 31889680, 39862100, 49827625, 79724200, 99655250, 159448400, 199310500, 398621000, 797242000]

約数ペア:

[(1, 797242000), (2, 398621000), (4, 199310500), (5, 159448400), (8, 99655250), (10, 79724200), (16, 49827625), (20, 39862100), (25, 31889680), (40, 19931050), (50, 15944840), (80, 9965525), (100, 7972420), (125, 6377936), (200, 3986210), (250, 3188968), (400, 1993105), (500, 1594484), (1000, 797242), (2000, 398621)]