247916000

素因数分解:

$2^5\times 5^3\times {\mathrm{61979}}^1$

素因数の和:62004

約数の個数: 48

約数和(自身を含む): 609139440

約数和(自身を除く): 361223440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 61979, 123958, 247916, 309895, 495832, 619790, 991664, 1239580, 1549475, 1983328, 2479160, 3098950, 4958320, 6197900, 7747375, 9916640, 12395800, 15494750, 24791600, 30989500, 49583200, 61979000, 123958000, 247916000]

約数ペア:

[(1, 247916000), (2, 123958000), (4, 61979000), (5, 49583200), (8, 30989500), (10, 24791600), (16, 15494750), (20, 12395800), (25, 9916640), (32, 7747375), (40, 6197900), (50, 4958320), (80, 3098950), (100, 2479160), (125, 1983328), (160, 1549475), (200, 1239580), (250, 991664), (400, 619790), (500, 495832), (800, 309895), (1000, 247916), (2000, 123958), (4000, 61979)]