851285500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 2161111680

約数和(自身を除く): 1309826180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 61, 65, 76, 95, 100, 113, 122, 125, 130, 190, 226, 244, 247, 250, 260, 305, 325, 380, 452, 475, 494, 500, 565, 610, 650, 793, 950, 988, 1130, 1159, 1220, 1235, 1300, 1469, 1525, 1586, 1625, 1900, 2147, 2260, 2318, 2375, 2470, 2825, 2938, 3050, 3172, 3250, 3965, 4294, 4636, 4750, 4940, 5650, 5795, 5876, 6100, 6175, 6500, 6893, 7345, 7625, 7930, 8588, 9500, 10735, 11300, 11590, 12350, 13786, 14125, 14690, 15067, 15250, 15860, 19825, 21470, 23180, 24700, 27572, 27911, 28250, 28975, 29380, 30134, 30500, 30875, 34465, 36725, 39650, 42940, 53675, 55822, 56500, 57950, 60268, 61750, 68930, 73450, 75335, 79300, 89609, 99125, 107350, 111644, 115900, 123500, 130967, 137860, 139555, 144875, 146900, 150670, 172325, 179218, 183625, 198250, 214700, 261934, 268375, 279110, 289750, 301340, 344650, 358436, 367250, 376675, 396500, 448045, 523868, 536750, 558220, 579500, 654835, 689300, 697775, 734500, 753350, 861625, 896090, 1073500, 1309670, 1395550, 1506700, 1702571, 1723250, 1792180, 1883375, 2240225, 2619340, 2791100, 3274175, 3405142, 3446500, 3488875, 3766750, 4480450, 6548350, 6810284, 6977750, 7533500, 8512855, 8960900, 11201125, 13096700, 13955500, 16370875, 17025710, 22402250, 32741750, 34051420, 42564275, 44804500, 65483500, 85128550, 170257100, 212821375, 425642750, 851285500]

約数ペア:

[(1, 851285500), (2, 425642750), (4, 212821375), (5, 170257100), (10, 85128550), (13, 65483500), (19, 44804500), (20, 42564275), (25, 34051420), (26, 32741750), (38, 22402250), (50, 17025710), (52, 16370875), (61, 13955500), (65, 13096700), (76, 11201125), (95, 8960900), (100, 8512855), (113, 7533500), (122, 6977750), (125, 6810284), (130, 6548350), (190, 4480450), (226, 3766750), (244, 3488875), (247, 3446500), (250, 3405142), (260, 3274175), (305, 2791100), (325, 2619340), (380, 2240225), (452, 1883375), (475, 1792180), (494, 1723250), (500, 1702571), (565, 1506700), (610, 1395550), (650, 1309670), (793, 1073500), (950, 896090), (988, 861625), (1130, 753350), (1159, 734500), (1220, 697775), (1235, 689300), (1300, 654835), (1469, 579500), (1525, 558220), (1586, 536750), (1625, 523868), (1900, 448045), (2147, 396500), (2260, 376675), (2318, 367250), (2375, 358436), (2470, 344650), (2825, 301340), (2938, 289750), (3050, 279110), (3172, 268375), (3250, 261934), (3965, 214700), (4294, 198250), (4636, 183625), (4750, 179218), (4940, 172325), (5650, 150670), (5795, 146900), (5876, 144875), (6100, 139555), (6175, 137860), (6500, 130967), (6893, 123500), (7345, 115900), (7625, 111644), (7930, 107350), (8588, 99125), (9500, 89609), (10735, 79300), (11300, 75335), (11590, 73450), (12350, 68930), (13786, 61750), (14125, 60268), (14690, 57950), (15067, 56500), (15250, 55822), (15860, 53675), (19825, 42940), (21470, 39650), (23180, 36725), (24700, 34465), (27572, 30875), (27911, 30500), (28250, 30134), (28975, 29380)]