200980724

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 408777600

約数和(自身を除く): 207796876

約数列:

[1, 2, 4, 7, 14, 28, 131, 157, 262, 314, 349, 524, 628, 698, 917, 1099, 1396, 1834, 2198, 2443, 3668, 4396, 4886, 9772, 20567, 41134, 45719, 54793, 82268, 91438, 109586, 143969, 182876, 219172, 287938, 320033, 383551, 575876, 640066, 767102, 1280132, 1534204, 7177883, 14355766, 28711532, 50245181, 100490362, 200980724]

約数ペア:

[(1, 200980724), (2, 100490362), (4, 50245181), (7, 28711532), (14, 14355766), (28, 7177883), (131, 1534204), (157, 1280132), (262, 767102), (314, 640066), (349, 575876), (524, 383551), (628, 320033), (698, 287938), (917, 219172), (1099, 182876), (1396, 143969), (1834, 109586), (2198, 91438), (2443, 82268), (3668, 54793), (4396, 45719), (4886, 41134), (9772, 20567)]