138930420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53849}}^1$

素因数の和:53904

約数の個数: 48

約数和(自身を含む): 398059200

約数和(自身を除く): 259128780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 53849, 107698, 161547, 215396, 269245, 323094, 538490, 646188, 807735, 1076980, 1615470, 2315507, 3230940, 4631014, 6946521, 9262028, 11577535, 13893042, 23155070, 27786084, 34732605, 46310140, 69465210, 138930420]

約数ペア:

[(1, 138930420), (2, 69465210), (3, 46310140), (4, 34732605), (5, 27786084), (6, 23155070), (10, 13893042), (12, 11577535), (15, 9262028), (20, 6946521), (30, 4631014), (43, 3230940), (60, 2315507), (86, 1615470), (129, 1076980), (172, 807735), (215, 646188), (258, 538490), (430, 323094), (516, 269245), (645, 215396), (860, 161547), (1290, 107698), (2580, 53849)]