138758000

素因数分解:

$2^4\times 5^3\times {\mathrm{69379}}^1$

素因数の和:69402

約数の個数: 40

約数和(自身を含む): 335521680

約数和(自身を除く): 196763680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 69379, 138758, 277516, 346895, 555032, 693790, 1110064, 1387580, 1734475, 2775160, 3468950, 5550320, 6937900, 8672375, 13875800, 17344750, 27751600, 34689500, 69379000, 138758000]

約数ペア:

[(1, 138758000), (2, 69379000), (4, 34689500), (5, 27751600), (8, 17344750), (10, 13875800), (16, 8672375), (20, 6937900), (25, 5550320), (40, 3468950), (50, 2775160), (80, 1734475), (100, 1387580), (125, 1110064), (200, 693790), (250, 555032), (400, 346895), (500, 277516), (1000, 138758), (2000, 69379)]