187960520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 482112000

約数和(自身を除く): 294151480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 61, 88, 94, 110, 122, 149, 188, 220, 235, 244, 298, 305, 376, 440, 470, 488, 517, 596, 610, 671, 745, 940, 1034, 1192, 1220, 1342, 1490, 1639, 1880, 2068, 2440, 2585, 2684, 2867, 2980, 3278, 3355, 4136, 5170, 5368, 5734, 5960, 6556, 6710, 7003, 8195, 9089, 10340, 11468, 13112, 13420, 14006, 14335, 16390, 18178, 20680, 22936, 26840, 28012, 28670, 31537, 32780, 35015, 36356, 45445, 56024, 57340, 63074, 65560, 70030, 72712, 77033, 90890, 99979, 114680, 126148, 140060, 154066, 157685, 181780, 199958, 252296, 280120, 308132, 315370, 363560, 385165, 399916, 427183, 499895, 616264, 630740, 770330, 799832, 854366, 999790, 1261480, 1540660, 1708732, 1999580, 2135915, 3081320, 3417464, 3999160, 4271830, 4699013, 8543660, 9398026, 17087320, 18796052, 23495065, 37592104, 46990130, 93980260, 187960520]

約数ペア:

[(1, 187960520), (2, 93980260), (4, 46990130), (5, 37592104), (8, 23495065), (10, 18796052), (11, 17087320), (20, 9398026), (22, 8543660), (40, 4699013), (44, 4271830), (47, 3999160), (55, 3417464), (61, 3081320), (88, 2135915), (94, 1999580), (110, 1708732), (122, 1540660), (149, 1261480), (188, 999790), (220, 854366), (235, 799832), (244, 770330), (298, 630740), (305, 616264), (376, 499895), (440, 427183), (470, 399916), (488, 385165), (517, 363560), (596, 315370), (610, 308132), (671, 280120), (745, 252296), (940, 199958), (1034, 181780), (1192, 157685), (1220, 154066), (1342, 140060), (1490, 126148), (1639, 114680), (1880, 99979), (2068, 90890), (2440, 77033), (2585, 72712), (2684, 70030), (2867, 65560), (2980, 63074), (3278, 57340), (3355, 56024), (4136, 45445), (5170, 36356), (5368, 35015), (5734, 32780), (5960, 31537), (6556, 28670), (6710, 28012), (7003, 26840), (8195, 22936), (9089, 20680), (10340, 18178), (11468, 16390), (13112, 14335), (13420, 14006)]