129971600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 345037440

約数和(自身を除く): 215065840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 109, 110, 176, 200, 218, 220, 271, 275, 400, 436, 440, 542, 545, 550, 872, 880, 1084, 1090, 1100, 1199, 1355, 1744, 2168, 2180, 2200, 2398, 2710, 2725, 2981, 4336, 4360, 4400, 4796, 5420, 5450, 5962, 5995, 6775, 8720, 9592, 10840, 10900, 11924, 11990, 13550, 14905, 19184, 21680, 21800, 23848, 23980, 27100, 29539, 29810, 29975, 43600, 47696, 47960, 54200, 59078, 59620, 59950, 74525, 95920, 108400, 118156, 119240, 119900, 147695, 149050, 236312, 238480, 239800, 295390, 298100, 324929, 472624, 479600, 590780, 596200, 649858, 738475, 1181560, 1192400, 1299716, 1476950, 1624645, 2363120, 2599432, 2953900, 3249290, 5198864, 5907800, 6498580, 8123225, 11815600, 12997160, 16246450, 25994320, 32492900, 64985800, 129971600]

約数ペア:

[(1, 129971600), (2, 64985800), (4, 32492900), (5, 25994320), (8, 16246450), (10, 12997160), (11, 11815600), (16, 8123225), (20, 6498580), (22, 5907800), (25, 5198864), (40, 3249290), (44, 2953900), (50, 2599432), (55, 2363120), (80, 1624645), (88, 1476950), (100, 1299716), (109, 1192400), (110, 1181560), (176, 738475), (200, 649858), (218, 596200), (220, 590780), (271, 479600), (275, 472624), (400, 324929), (436, 298100), (440, 295390), (542, 239800), (545, 238480), (550, 236312), (872, 149050), (880, 147695), (1084, 119900), (1090, 119240), (1100, 118156), (1199, 108400), (1355, 95920), (1744, 74525), (2168, 59950), (2180, 59620), (2200, 59078), (2398, 54200), (2710, 47960), (2725, 47696), (2981, 43600), (4336, 29975), (4360, 29810), (4400, 29539), (4796, 27100), (5420, 23980), (5450, 23848), (5962, 21800), (5995, 21680), (6775, 19184), (8720, 14905), (9592, 13550), (10840, 11990), (10900, 11924)]