214553680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{509}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 546393600

約数和(自身を除く): 331839920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 479, 509, 880, 958, 1018, 1916, 2036, 2395, 2545, 3832, 4072, 4790, 5090, 5269, 5599, 7664, 8144, 9580, 10180, 10538, 11198, 19160, 20360, 21076, 22396, 26345, 27995, 38320, 40720, 42152, 44792, 52690, 55990, 84304, 89584, 105380, 111980, 210760, 223960, 243811, 421520, 447920, 487622, 975244, 1219055, 1950488, 2438110, 2681921, 3900976, 4876220, 5363842, 9752440, 10727684, 13409605, 19504880, 21455368, 26819210, 42910736, 53638420, 107276840, 214553680]

約数ペア:

[(1, 214553680), (2, 107276840), (4, 53638420), (5, 42910736), (8, 26819210), (10, 21455368), (11, 19504880), (16, 13409605), (20, 10727684), (22, 9752440), (40, 5363842), (44, 4876220), (55, 3900976), (80, 2681921), (88, 2438110), (110, 1950488), (176, 1219055), (220, 975244), (440, 487622), (479, 447920), (509, 421520), (880, 243811), (958, 223960), (1018, 210760), (1916, 111980), (2036, 105380), (2395, 89584), (2545, 84304), (3832, 55990), (4072, 52690), (4790, 44792), (5090, 42152), (5269, 40720), (5599, 38320), (7664, 27995), (8144, 26345), (9580, 22396), (10180, 21076), (10538, 20360), (11198, 19160)]