90649000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 241113600

約数和(自身を除く): 150464600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 200, 247, 250, 260, 325, 367, 380, 475, 494, 500, 520, 650, 734, 760, 950, 988, 1000, 1235, 1300, 1468, 1625, 1835, 1900, 1976, 2375, 2470, 2600, 2936, 3250, 3670, 3800, 4750, 4771, 4940, 6175, 6500, 6973, 7340, 9175, 9500, 9542, 9880, 12350, 13000, 13946, 14680, 18350, 19000, 19084, 23855, 24700, 27892, 30875, 34865, 36700, 38168, 45875, 47710, 49400, 55784, 61750, 69730, 73400, 90649, 91750, 95420, 119275, 123500, 139460, 174325, 181298, 183500, 190840, 238550, 247000, 278920, 348650, 362596, 367000, 453245, 477100, 596375, 697300, 725192, 871625, 906490, 954200, 1192750, 1394600, 1743250, 1812980, 2266225, 2385500, 3486500, 3625960, 4532450, 4771000, 6973000, 9064900, 11331125, 18129800, 22662250, 45324500, 90649000]

約数ペア:

[(1, 90649000), (2, 45324500), (4, 22662250), (5, 18129800), (8, 11331125), (10, 9064900), (13, 6973000), (19, 4771000), (20, 4532450), (25, 3625960), (26, 3486500), (38, 2385500), (40, 2266225), (50, 1812980), (52, 1743250), (65, 1394600), (76, 1192750), (95, 954200), (100, 906490), (104, 871625), (125, 725192), (130, 697300), (152, 596375), (190, 477100), (200, 453245), (247, 367000), (250, 362596), (260, 348650), (325, 278920), (367, 247000), (380, 238550), (475, 190840), (494, 183500), (500, 181298), (520, 174325), (650, 139460), (734, 123500), (760, 119275), (950, 95420), (988, 91750), (1000, 90649), (1235, 73400), (1300, 69730), (1468, 61750), (1625, 55784), (1835, 49400), (1900, 47710), (1976, 45875), (2375, 38168), (2470, 36700), (2600, 34865), (2936, 30875), (3250, 27892), (3670, 24700), (3800, 23855), (4750, 19084), (4771, 19000), (4940, 18350), (6175, 14680), (6500, 13946), (6973, 13000), (7340, 12350), (9175, 9880), (9500, 9542)]