86878000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 120

約数和(自身を含む): 231547680

約数和(自身を除く): 144669680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 125, 176, 200, 220, 242, 250, 275, 359, 400, 440, 484, 500, 550, 605, 718, 880, 968, 1000, 1100, 1210, 1375, 1436, 1795, 1936, 2000, 2200, 2420, 2750, 2872, 3025, 3590, 3949, 4400, 4840, 5500, 5744, 6050, 7180, 7898, 8975, 9680, 11000, 12100, 14360, 15125, 15796, 17950, 19745, 22000, 24200, 28720, 30250, 31592, 35900, 39490, 43439, 44875, 48400, 60500, 63184, 71800, 78980, 86878, 89750, 98725, 121000, 143600, 157960, 173756, 179500, 197450, 217195, 242000, 315920, 347512, 359000, 394900, 434390, 493625, 695024, 718000, 789800, 868780, 987250, 1085975, 1579600, 1737560, 1974500, 2171950, 3475120, 3949000, 4343900, 5429875, 7898000, 8687800, 10859750, 17375600, 21719500, 43439000, 86878000]

約数ペア:

[(1, 86878000), (2, 43439000), (4, 21719500), (5, 17375600), (8, 10859750), (10, 8687800), (11, 7898000), (16, 5429875), (20, 4343900), (22, 3949000), (25, 3475120), (40, 2171950), (44, 1974500), (50, 1737560), (55, 1579600), (80, 1085975), (88, 987250), (100, 868780), (110, 789800), (121, 718000), (125, 695024), (176, 493625), (200, 434390), (220, 394900), (242, 359000), (250, 347512), (275, 315920), (359, 242000), (400, 217195), (440, 197450), (484, 179500), (500, 173756), (550, 157960), (605, 143600), (718, 121000), (880, 98725), (968, 89750), (1000, 86878), (1100, 78980), (1210, 71800), (1375, 63184), (1436, 60500), (1795, 48400), (1936, 44875), (2000, 43439), (2200, 39490), (2420, 35900), (2750, 31592), (2872, 30250), (3025, 28720), (3590, 24200), (3949, 22000), (4400, 19745), (4840, 17950), (5500, 15796), (5744, 15125), (6050, 14360), (7180, 12100), (7898, 11000), (8975, 9680)]