68020000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 120

約数和(自身を含む): 177130800

約数和(自身を除く): 109110800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 179, 190, 200, 250, 304, 358, 380, 400, 475, 500, 608, 625, 716, 760, 800, 895, 950, 1000, 1250, 1432, 1520, 1790, 1900, 2000, 2375, 2500, 2864, 3040, 3401, 3580, 3800, 4000, 4475, 4750, 5000, 5728, 6802, 7160, 7600, 8950, 9500, 10000, 11875, 13604, 14320, 15200, 17005, 17900, 19000, 20000, 22375, 23750, 27208, 28640, 34010, 35800, 38000, 44750, 47500, 54416, 68020, 71600, 76000, 85025, 89500, 95000, 108832, 111875, 136040, 143200, 170050, 179000, 190000, 223750, 272080, 340100, 358000, 380000, 425125, 447500, 544160, 680200, 716000, 850250, 895000, 1360400, 1700500, 1790000, 2125625, 2720800, 3401000, 3580000, 4251250, 6802000, 8502500, 13604000, 17005000, 34010000, 68020000]

約数ペア:

[(1, 68020000), (2, 34010000), (4, 17005000), (5, 13604000), (8, 8502500), (10, 6802000), (16, 4251250), (19, 3580000), (20, 3401000), (25, 2720800), (32, 2125625), (38, 1790000), (40, 1700500), (50, 1360400), (76, 895000), (80, 850250), (95, 716000), (100, 680200), (125, 544160), (152, 447500), (160, 425125), (179, 380000), (190, 358000), (200, 340100), (250, 272080), (304, 223750), (358, 190000), (380, 179000), (400, 170050), (475, 143200), (500, 136040), (608, 111875), (625, 108832), (716, 95000), (760, 89500), (800, 85025), (895, 76000), (950, 71600), (1000, 68020), (1250, 54416), (1432, 47500), (1520, 44750), (1790, 38000), (1900, 35800), (2000, 34010), (2375, 28640), (2500, 27208), (2864, 23750), (3040, 22375), (3401, 20000), (3580, 19000), (3800, 17900), (4000, 17005), (4475, 15200), (4750, 14320), (5000, 13604), (5728, 11875), (6802, 10000), (7160, 9500), (7600, 8950)]