31075940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 75718272

約数和(自身を除く): 44642332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3313, 4690, 6626, 9380, 13252, 16565, 23191, 33130, 46382, 66260, 92764, 115955, 221971, 231910, 443942, 463820, 887884, 1109855, 1553797, 2219710, 3107594, 4439420, 6215188, 7768985, 15537970, 31075940]

約数ペア:

[(1, 31075940), (2, 15537970), (4, 7768985), (5, 6215188), (7, 4439420), (10, 3107594), (14, 2219710), (20, 1553797), (28, 1109855), (35, 887884), (67, 463820), (70, 443942), (134, 231910), (140, 221971), (268, 115955), (335, 92764), (469, 66260), (670, 46382), (938, 33130), (1340, 23191), (1876, 16565), (2345, 13252), (3313, 9380), (4690, 6626)]