3982000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 10561824

約数和(自身を除く): 6579824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 181, 200, 220, 250, 275, 362, 400, 440, 500, 550, 724, 880, 905, 1000, 1100, 1375, 1448, 1810, 1991, 2000, 2200, 2750, 2896, 3620, 3982, 4400, 4525, 5500, 7240, 7964, 9050, 9955, 11000, 14480, 15928, 18100, 19910, 22000, 22625, 31856, 36200, 39820, 45250, 49775, 72400, 79640, 90500, 99550, 159280, 181000, 199100, 248875, 362000, 398200, 497750, 796400, 995500, 1991000, 3982000]

約数ペア:

[(1, 3982000), (2, 1991000), (4, 995500), (5, 796400), (8, 497750), (10, 398200), (11, 362000), (16, 248875), (20, 199100), (22, 181000), (25, 159280), (40, 99550), (44, 90500), (50, 79640), (55, 72400), (80, 49775), (88, 45250), (100, 39820), (110, 36200), (125, 31856), (176, 22625), (181, 22000), (200, 19910), (220, 18100), (250, 15928), (275, 14480), (362, 11000), (400, 9955), (440, 9050), (500, 7964), (550, 7240), (724, 5500), (880, 4525), (905, 4400), (1000, 3982), (1100, 3620), (1375, 2896), (1448, 2750), (1810, 2200), (1991, 2000)]