212119930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 218981510

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 89, 94, 110, 178, 235, 445, 461, 470, 517, 890, 922, 979, 1034, 1958, 2305, 2585, 4183, 4610, 4895, 5071, 5170, 8366, 9790, 10142, 20915, 21667, 25355, 41029, 41830, 43334, 46013, 50710, 82058, 92026, 108335, 205145, 216670, 230065, 238337, 410290, 451319, 460130, 476674, 902638, 1191685, 1928363, 2256595, 2383370, 3856726, 4513190, 9641815, 19283630, 21211993, 42423986, 106059965, 212119930]

約数ペア:

[(1, 212119930), (2, 106059965), (5, 42423986), (10, 21211993), (11, 19283630), (22, 9641815), (47, 4513190), (55, 3856726), (89, 2383370), (94, 2256595), (110, 1928363), (178, 1191685), (235, 902638), (445, 476674), (461, 460130), (470, 451319), (517, 410290), (890, 238337), (922, 230065), (979, 216670), (1034, 205145), (1958, 108335), (2305, 92026), (2585, 82058), (4183, 50710), (4610, 46013), (4895, 43334), (5071, 41830), (5170, 41029), (8366, 25355), (9790, 21667), (10142, 20915)]