2018285500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7489}}^1$

素因数の和:7533

約数の個数: 144

約数和(自身を含む): 5594490720

約数和(自身を除く): 3576205220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 125, 140, 154, 175, 196, 220, 245, 250, 275, 308, 350, 385, 490, 500, 539, 550, 700, 770, 875, 980, 1078, 1100, 1225, 1375, 1540, 1750, 1925, 2156, 2450, 2695, 2750, 3500, 3850, 4900, 5390, 5500, 6125, 7489, 7700, 9625, 10780, 12250, 13475, 14978, 19250, 24500, 26950, 29956, 37445, 38500, 52423, 53900, 67375, 74890, 82379, 104846, 134750, 149780, 164758, 187225, 209692, 262115, 269500, 329516, 366961, 374450, 411895, 524230, 576653, 733922, 748900, 823790, 936125, 1048460, 1153306, 1310575, 1467844, 1647580, 1834805, 1872250, 2059475, 2306612, 2621150, 2883265, 3669610, 3744500, 4036571, 4118950, 5242300, 5766530, 6552875, 7339220, 8073142, 8237900, 9174025, 10297375, 11533060, 13105750, 14416325, 16146284, 18348050, 20182855, 20594750, 26211500, 28832650, 36696100, 40365710, 41189500, 45870125, 57665300, 72081625, 80731420, 91740250, 100914275, 144163250, 183480500, 201828550, 288326500, 403657100, 504571375, 1009142750, 2018285500]

約数ペア:

[(1, 2018285500), (2, 1009142750), (4, 504571375), (5, 403657100), (7, 288326500), (10, 201828550), (11, 183480500), (14, 144163250), (20, 100914275), (22, 91740250), (25, 80731420), (28, 72081625), (35, 57665300), (44, 45870125), (49, 41189500), (50, 40365710), (55, 36696100), (70, 28832650), (77, 26211500), (98, 20594750), (100, 20182855), (110, 18348050), (125, 16146284), (140, 14416325), (154, 13105750), (175, 11533060), (196, 10297375), (220, 9174025), (245, 8237900), (250, 8073142), (275, 7339220), (308, 6552875), (350, 5766530), (385, 5242300), (490, 4118950), (500, 4036571), (539, 3744500), (550, 3669610), (700, 2883265), (770, 2621150), (875, 2306612), (980, 2059475), (1078, 1872250), (1100, 1834805), (1225, 1647580), (1375, 1467844), (1540, 1310575), (1750, 1153306), (1925, 1048460), (2156, 936125), (2450, 823790), (2695, 748900), (2750, 733922), (3500, 576653), (3850, 524230), (4900, 411895), (5390, 374450), (5500, 366961), (6125, 329516), (7489, 269500), (7700, 262115), (9625, 209692), (10780, 187225), (12250, 164758), (13475, 149780), (14978, 134750), (19250, 104846), (24500, 82379), (26950, 74890), (29956, 67375), (37445, 53900), (38500, 52423)]