49775000

素因数分解:

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

素因数の和:223

約数の個数: 96

約数和(自身を含む): 127960560

約数和(自身を除く): 78185560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 181, 200, 220, 250, 275, 362, 440, 500, 550, 625, 724, 905, 1000, 1100, 1250, 1375, 1448, 1810, 1991, 2200, 2500, 2750, 3125, 3620, 3982, 4525, 5000, 5500, 6250, 6875, 7240, 7964, 9050, 9955, 11000, 12500, 13750, 15928, 18100, 19910, 22625, 25000, 27500, 34375, 36200, 39820, 45250, 49775, 55000, 68750, 79640, 90500, 99550, 113125, 137500, 181000, 199100, 226250, 248875, 275000, 398200, 452500, 497750, 565625, 905000, 995500, 1131250, 1244375, 1991000, 2262500, 2488750, 4525000, 4977500, 6221875, 9955000, 12443750, 24887500, 49775000]

約数ペア:

[(1, 49775000), (2, 24887500), (4, 12443750), (5, 9955000), (8, 6221875), (10, 4977500), (11, 4525000), (20, 2488750), (22, 2262500), (25, 1991000), (40, 1244375), (44, 1131250), (50, 995500), (55, 905000), (88, 565625), (100, 497750), (110, 452500), (125, 398200), (181, 275000), (200, 248875), (220, 226250), (250, 199100), (275, 181000), (362, 137500), (440, 113125), (500, 99550), (550, 90500), (625, 79640), (724, 68750), (905, 55000), (1000, 49775), (1100, 45250), (1250, 39820), (1375, 36200), (1448, 34375), (1810, 27500), (1991, 25000), (2200, 22625), (2500, 19910), (2750, 18100), (3125, 15928), (3620, 13750), (3982, 12500), (4525, 11000), (5000, 9955), (5500, 9050), (6250, 7964), (6875, 7240)]