28021400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 72852480

約数和(自身を除く): 44831080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 47, 50, 55, 88, 94, 100, 110, 188, 200, 220, 235, 271, 275, 376, 440, 470, 517, 542, 550, 940, 1034, 1084, 1100, 1175, 1355, 1880, 2068, 2168, 2200, 2350, 2585, 2710, 2981, 4136, 4700, 5170, 5420, 5962, 6775, 9400, 10340, 10840, 11924, 12737, 12925, 13550, 14905, 20680, 23848, 25474, 25850, 27100, 29810, 50948, 51700, 54200, 59620, 63685, 74525, 101896, 103400, 119240, 127370, 140107, 149050, 254740, 280214, 298100, 318425, 509480, 560428, 596200, 636850, 700535, 1120856, 1273700, 1401070, 2547400, 2802140, 3502675, 5604280, 7005350, 14010700, 28021400]

約数ペア:

[(1, 28021400), (2, 14010700), (4, 7005350), (5, 5604280), (8, 3502675), (10, 2802140), (11, 2547400), (20, 1401070), (22, 1273700), (25, 1120856), (40, 700535), (44, 636850), (47, 596200), (50, 560428), (55, 509480), (88, 318425), (94, 298100), (100, 280214), (110, 254740), (188, 149050), (200, 140107), (220, 127370), (235, 119240), (271, 103400), (275, 101896), (376, 74525), (440, 63685), (470, 59620), (517, 54200), (542, 51700), (550, 50948), (940, 29810), (1034, 27100), (1084, 25850), (1100, 25474), (1175, 23848), (1355, 20680), (1880, 14905), (2068, 13550), (2168, 12925), (2200, 12737), (2350, 11924), (2585, 10840), (2710, 10340), (2981, 9400), (4136, 6775), (4700, 5962), (5170, 5420)]