10887800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 32442120

約数和(自身を除く): 21554320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 101, 110, 140, 154, 175, 196, 200, 202, 220, 245, 275, 280, 308, 350, 385, 392, 404, 440, 490, 505, 539, 550, 616, 700, 707, 770, 808, 980, 1010, 1078, 1100, 1111, 1225, 1400, 1414, 1540, 1925, 1960, 2020, 2156, 2200, 2222, 2450, 2525, 2695, 2828, 3080, 3535, 3850, 4040, 4312, 4444, 4900, 4949, 5050, 5390, 5555, 5656, 7070, 7700, 7777, 8888, 9800, 9898, 10100, 10780, 11110, 13475, 14140, 15400, 15554, 17675, 19796, 20200, 21560, 22220, 24745, 26950, 27775, 28280, 31108, 35350, 38885, 39592, 44440, 49490, 53900, 54439, 55550, 62216, 70700, 77770, 98980, 107800, 108878, 111100, 123725, 141400, 155540, 194425, 197960, 217756, 222200, 247450, 272195, 311080, 388850, 435512, 494900, 544390, 777700, 989800, 1088780, 1360975, 1555400, 2177560, 2721950, 5443900, 10887800]

約数ペア:

[(1, 10887800), (2, 5443900), (4, 2721950), (5, 2177560), (7, 1555400), (8, 1360975), (10, 1088780), (11, 989800), (14, 777700), (20, 544390), (22, 494900), (25, 435512), (28, 388850), (35, 311080), (40, 272195), (44, 247450), (49, 222200), (50, 217756), (55, 197960), (56, 194425), (70, 155540), (77, 141400), (88, 123725), (98, 111100), (100, 108878), (101, 107800), (110, 98980), (140, 77770), (154, 70700), (175, 62216), (196, 55550), (200, 54439), (202, 53900), (220, 49490), (245, 44440), (275, 39592), (280, 38885), (308, 35350), (350, 31108), (385, 28280), (392, 27775), (404, 26950), (440, 24745), (490, 22220), (505, 21560), (539, 20200), (550, 19796), (616, 17675), (700, 15554), (707, 15400), (770, 14140), (808, 13475), (980, 11110), (1010, 10780), (1078, 10100), (1100, 9898), (1111, 9800), (1225, 8888), (1400, 7777), (1414, 7700), (1540, 7070), (1925, 5656), (1960, 5555), (2020, 5390), (2156, 5050), (2200, 4949), (2222, 4900), (2450, 4444), (2525, 4312), (2695, 4040), (2828, 3850), (3080, 3535)]