72723140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7753}}^1$

素因数の和:7836

約数の個数: 48

約数和(自身を含む): 177163392

約数和(自身を除く): 104440252

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, 4690, 7753, 9380, 15506, 31012, 38765, 54271, 77530, 108542, 155060, 217084, 271355, 519451, 542710, 1038902, 1085420, 2077804, 2597255, 3636157, 5194510, 7272314, 10389020, 14544628, 18180785, 36361570, 72723140]

約数ペア:

[(1, 72723140), (2, 36361570), (4, 18180785), (5, 14544628), (7, 10389020), (10, 7272314), (14, 5194510), (20, 3636157), (28, 2597255), (35, 2077804), (67, 1085420), (70, 1038902), (134, 542710), (140, 519451), (268, 271355), (335, 217084), (469, 155060), (670, 108542), (938, 77530), (1340, 54271), (1876, 38765), (2345, 31012), (4690, 15506), (7753, 9380)]