355278640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1670

約数の個数: 80

約数和(自身を含む): 857980800

約数和(自身を除く): 502702160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 752, 940, 976, 1220, 1549, 1880, 2440, 2867, 3098, 3760, 4880, 5734, 6196, 7745, 11468, 12392, 14335, 15490, 22936, 24784, 28670, 30980, 45872, 57340, 61960, 72803, 94489, 114680, 123920, 145606, 188978, 229360, 291212, 364015, 377956, 472445, 582424, 728030, 755912, 944890, 1164848, 1456060, 1511824, 1889780, 2912120, 3779560, 4440983, 5824240, 7559120, 8881966, 17763932, 22204915, 35527864, 44409830, 71055728, 88819660, 177639320, 355278640]

約数ペア:

[(1, 355278640), (2, 177639320), (4, 88819660), (5, 71055728), (8, 44409830), (10, 35527864), (16, 22204915), (20, 17763932), (40, 8881966), (47, 7559120), (61, 5824240), (80, 4440983), (94, 3779560), (122, 2912120), (188, 1889780), (235, 1511824), (244, 1456060), (305, 1164848), (376, 944890), (470, 755912), (488, 728030), (610, 582424), (752, 472445), (940, 377956), (976, 364015), (1220, 291212), (1549, 229360), (1880, 188978), (2440, 145606), (2867, 123920), (3098, 114680), (3760, 94489), (4880, 72803), (5734, 61960), (6196, 57340), (7745, 45872), (11468, 30980), (12392, 28670), (14335, 24784), (15490, 22936)]