201901360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 493200576

約数和(自身を除く): 291299216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 197, 230, 368, 394, 460, 557, 788, 920, 985, 1114, 1576, 1840, 1970, 2228, 2785, 3152, 3940, 4456, 4531, 5570, 7880, 8912, 9062, 11140, 12811, 15760, 18124, 22280, 22655, 25622, 36248, 44560, 45310, 51244, 64055, 72496, 90620, 102488, 109729, 128110, 181240, 204976, 219458, 256220, 362480, 438916, 512440, 548645, 877832, 1024880, 1097290, 1755664, 2194580, 2523767, 4389160, 5047534, 8778320, 10095068, 12618835, 20190136, 25237670, 40380272, 50475340, 100950680, 201901360]

約数ペア:

[(1, 201901360), (2, 100950680), (4, 50475340), (5, 40380272), (8, 25237670), (10, 20190136), (16, 12618835), (20, 10095068), (23, 8778320), (40, 5047534), (46, 4389160), (80, 2523767), (92, 2194580), (115, 1755664), (184, 1097290), (197, 1024880), (230, 877832), (368, 548645), (394, 512440), (460, 438916), (557, 362480), (788, 256220), (920, 219458), (985, 204976), (1114, 181240), (1576, 128110), (1840, 109729), (1970, 102488), (2228, 90620), (2785, 72496), (3152, 64055), (3940, 51244), (4456, 45310), (4531, 44560), (5570, 36248), (7880, 25622), (8912, 22655), (9062, 22280), (11140, 18124), (12811, 15760)]