211486160

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 504134400

約数和(自身を除く): 292648240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 109, 158, 218, 307, 316, 395, 436, 545, 614, 632, 790, 872, 1090, 1228, 1264, 1535, 1580, 1744, 2180, 2456, 3070, 3160, 4360, 4912, 6140, 6320, 8611, 8720, 12280, 17222, 24253, 24560, 33463, 34444, 43055, 48506, 66926, 68888, 86110, 97012, 121265, 133852, 137776, 167315, 172220, 194024, 242530, 267704, 334630, 344440, 388048, 485060, 535408, 669260, 688880, 970120, 1338520, 1940240, 2643577, 2677040, 5287154, 10574308, 13217885, 21148616, 26435770, 42297232, 52871540, 105743080, 211486160]

約数ペア:

[(1, 211486160), (2, 105743080), (4, 52871540), (5, 42297232), (8, 26435770), (10, 21148616), (16, 13217885), (20, 10574308), (40, 5287154), (79, 2677040), (80, 2643577), (109, 1940240), (158, 1338520), (218, 970120), (307, 688880), (316, 669260), (395, 535408), (436, 485060), (545, 388048), (614, 344440), (632, 334630), (790, 267704), (872, 242530), (1090, 194024), (1228, 172220), (1264, 167315), (1535, 137776), (1580, 133852), (1744, 121265), (2180, 97012), (2456, 86110), (3070, 68888), (3160, 66926), (4360, 48506), (4912, 43055), (6140, 34444), (6320, 33463), (8611, 24560), (8720, 24253), (12280, 17222)]