2197487720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{7537}}^1$

素因数の和:7782

約数の個数: 64

約数和(自身を含む): 5104432080

約数和(自身を除く): 2906944360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 197, 296, 370, 394, 740, 788, 985, 1480, 1576, 1970, 3940, 7289, 7537, 7880, 14578, 15074, 29156, 30148, 36445, 37685, 58312, 60296, 72890, 75370, 145780, 150740, 278869, 291560, 301480, 557738, 1115476, 1394345, 1484789, 2230952, 2788690, 2969578, 5577380, 5939156, 7423945, 11154760, 11878312, 14847890, 29695780, 54937193, 59391560, 109874386, 219748772, 274685965, 439497544, 549371930, 1098743860, 2197487720]

約数ペア:

[(1, 2197487720), (2, 1098743860), (4, 549371930), (5, 439497544), (8, 274685965), (10, 219748772), (20, 109874386), (37, 59391560), (40, 54937193), (74, 29695780), (148, 14847890), (185, 11878312), (197, 11154760), (296, 7423945), (370, 5939156), (394, 5577380), (740, 2969578), (788, 2788690), (985, 2230952), (1480, 1484789), (1576, 1394345), (1970, 1115476), (3940, 557738), (7289, 301480), (7537, 291560), (7880, 278869), (14578, 150740), (15074, 145780), (29156, 75370), (30148, 72890), (36445, 60296), (37685, 58312)]