28556000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 78427440

約数和(自身を除く): 49871440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 59, 80, 88, 100, 110, 118, 121, 125, 160, 176, 200, 220, 236, 242, 250, 275, 295, 352, 400, 440, 472, 484, 500, 550, 590, 605, 649, 800, 880, 944, 968, 1000, 1100, 1180, 1210, 1298, 1375, 1475, 1760, 1888, 1936, 2000, 2200, 2360, 2420, 2596, 2750, 2950, 3025, 3245, 3872, 4000, 4400, 4720, 4840, 5192, 5500, 5900, 6050, 6490, 7139, 7375, 8800, 9440, 9680, 10384, 11000, 11800, 12100, 12980, 14278, 14750, 15125, 16225, 19360, 20768, 22000, 23600, 24200, 25960, 28556, 29500, 30250, 32450, 35695, 44000, 47200, 48400, 51920, 57112, 59000, 60500, 64900, 71390, 81125, 96800, 103840, 114224, 118000, 121000, 129800, 142780, 162250, 178475, 228448, 236000, 242000, 259600, 285560, 324500, 356950, 484000, 519200, 571120, 649000, 713900, 892375, 1142240, 1298000, 1427800, 1784750, 2596000, 2855600, 3569500, 5711200, 7139000, 14278000, 28556000]

約数ペア:

[(1, 28556000), (2, 14278000), (4, 7139000), (5, 5711200), (8, 3569500), (10, 2855600), (11, 2596000), (16, 1784750), (20, 1427800), (22, 1298000), (25, 1142240), (32, 892375), (40, 713900), (44, 649000), (50, 571120), (55, 519200), (59, 484000), (80, 356950), (88, 324500), (100, 285560), (110, 259600), (118, 242000), (121, 236000), (125, 228448), (160, 178475), (176, 162250), (200, 142780), (220, 129800), (236, 121000), (242, 118000), (250, 114224), (275, 103840), (295, 96800), (352, 81125), (400, 71390), (440, 64900), (472, 60500), (484, 59000), (500, 57112), (550, 51920), (590, 48400), (605, 47200), (649, 44000), (800, 35695), (880, 32450), (944, 30250), (968, 29500), (1000, 28556), (1100, 25960), (1180, 24200), (1210, 23600), (1298, 22000), (1375, 20768), (1475, 19360), (1760, 16225), (1888, 15125), (1936, 14750), (2000, 14278), (2200, 12980), (2360, 12100), (2420, 11800), (2596, 11000), (2750, 10384), (2950, 9680), (3025, 9440), (3245, 8800), (3872, 7375), (4000, 7139), (4400, 6490), (4720, 6050), (4840, 5900), (5192, 5500)]