61818860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 134510880

約数和(自身を除く): 72692020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 601, 695, 740, 1202, 1390, 2404, 2780, 3005, 5143, 6010, 10286, 12020, 20572, 22237, 25715, 44474, 51430, 83539, 88948, 102860, 111185, 167078, 222370, 334156, 417695, 444740, 835390, 1670780, 3090943, 6181886, 12363772, 15454715, 30909430, 61818860]

約数ペア:

[(1, 61818860), (2, 30909430), (4, 15454715), (5, 12363772), (10, 6181886), (20, 3090943), (37, 1670780), (74, 835390), (139, 444740), (148, 417695), (185, 334156), (278, 222370), (370, 167078), (556, 111185), (601, 102860), (695, 88948), (740, 83539), (1202, 51430), (1390, 44474), (2404, 25715), (2780, 22237), (3005, 20572), (5143, 12020), (6010, 10286)]