28210006940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1314539}}^1$

素因数の和:1314614

約数の個数: 48

約数和(自身を含む): 62940175200

約数和(自身を除く): 34730168260

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 4292, 5365, 10730, 21460, 1314539, 2629078, 5258156, 6572695, 13145390, 26290780, 38121631, 48637943, 76243262, 97275886, 152486524, 190608155, 194551772, 243189715, 381216310, 486379430, 762432620, 972758860, 1410500347, 2821000694, 5642001388, 7052501735, 14105003470, 28210006940]

約数ペア:

[(1, 28210006940), (2, 14105003470), (4, 7052501735), (5, 5642001388), (10, 2821000694), (20, 1410500347), (29, 972758860), (37, 762432620), (58, 486379430), (74, 381216310), (116, 243189715), (145, 194551772), (148, 190608155), (185, 152486524), (290, 97275886), (370, 76243262), (580, 48637943), (740, 38121631), (1073, 26290780), (2146, 13145390), (4292, 6572695), (5365, 5258156), (10730, 2629078), (21460, 1314539)]