177639320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 415152000

約数和(自身を除く): 237512680

約数列:

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

約数ペア:

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