169060428400

素因数分解:

$2^4\times 5^2\times {\mathrm{1997}}^1\times {\mathrm{211643}}^1$

素因数の和:213658

約数の個数: 60

約数和(自身を含む): 406372988232

約数和(自身を除く): 237312559832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1997, 3994, 7988, 9985, 15976, 19970, 31952, 39940, 49925, 79880, 99850, 159760, 199700, 211643, 399400, 423286, 798800, 846572, 1058215, 1693144, 2116430, 3386288, 4232860, 5291075, 8465720, 10582150, 16931440, 21164300, 42328600, 84657200, 422651071, 845302142, 1690604284, 2113255355, 3381208568, 4226510710, 6762417136, 8453021420, 10566276775, 16906042840, 21132553550, 33812085680, 42265107100, 84530214200, 169060428400]

約数ペア:

[(1, 169060428400), (2, 84530214200), (4, 42265107100), (5, 33812085680), (8, 21132553550), (10, 16906042840), (16, 10566276775), (20, 8453021420), (25, 6762417136), (40, 4226510710), (50, 3381208568), (80, 2113255355), (100, 1690604284), (200, 845302142), (400, 422651071), (1997, 84657200), (3994, 42328600), (7988, 21164300), (9985, 16931440), (15976, 10582150), (19970, 8465720), (31952, 5291075), (39940, 4232860), (49925, 3386288), (79880, 2116430), (99850, 1693144), (159760, 1058215), (199700, 846572), (211643, 798800), (399400, 423286)]