2019598420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{215309}}^1$

素因数の和:215392

約数の個数: 48

約数和(自身を含む): 4919402880

約数和(自身を除く): 2899804460

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, 9380, 215309, 430618, 861236, 1076545, 1507163, 2153090, 3014326, 4306180, 6028652, 7535815, 14425703, 15071630, 28851406, 30143260, 57702812, 72128515, 100979921, 144257030, 201959842, 288514060, 403919684, 504899605, 1009799210, 2019598420]

約数ペア:

[(1, 2019598420), (2, 1009799210), (4, 504899605), (5, 403919684), (7, 288514060), (10, 201959842), (14, 144257030), (20, 100979921), (28, 72128515), (35, 57702812), (67, 30143260), (70, 28851406), (134, 15071630), (140, 14425703), (268, 7535815), (335, 6028652), (469, 4306180), (670, 3014326), (938, 2153090), (1340, 1507163), (1876, 1076545), (2345, 861236), (4690, 430618), (9380, 215309)]