18180816100

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{709}}^1\times {\mathrm{1721}}^1$

素因数の和:2593

約数の個数: 72

約数和(自身を含む): 39796281000

約数和(自身を除く): 21615464900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 709, 745, 1418, 1490, 1721, 2836, 2980, 3442, 3545, 3725, 6884, 7090, 7450, 8605, 14180, 14900, 17210, 17725, 34420, 35450, 43025, 70900, 86050, 105641, 172100, 211282, 256429, 422564, 512858, 528205, 1025716, 1056410, 1220189, 1282145, 2112820, 2440378, 2564290, 2641025, 4880756, 5128580, 5282050, 6100945, 6410725, 10564100, 12201890, 12821450, 24403780, 25642900, 30504725, 61009450, 122018900, 181808161, 363616322, 727232644, 909040805, 1818081610, 3636163220, 4545204025, 9090408050, 18180816100]

約数ペア:

[(1, 18180816100), (2, 9090408050), (4, 4545204025), (5, 3636163220), (10, 1818081610), (20, 909040805), (25, 727232644), (50, 363616322), (100, 181808161), (149, 122018900), (298, 61009450), (596, 30504725), (709, 25642900), (745, 24403780), (1418, 12821450), (1490, 12201890), (1721, 10564100), (2836, 6410725), (2980, 6100945), (3442, 5282050), (3545, 5128580), (3725, 4880756), (6884, 2641025), (7090, 2564290), (7450, 2440378), (8605, 2112820), (14180, 1282145), (14900, 1220189), (17210, 1056410), (17725, 1025716), (34420, 528205), (35450, 512858), (43025, 422564), (70900, 256429), (86050, 211282), (105641, 172100)]