408022977020

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{4177}}^1\times {\mathrm{8929}}^1$

素因数の和:13662

約数の個数: 48

約数和(自身を含む): 858716372640

約数和(自身を除く): 450693395620

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 2188, 2735, 4177, 5470, 8354, 8929, 10940, 16708, 17858, 20885, 35716, 41770, 44645, 83540, 89290, 178580, 2284819, 4569638, 4884163, 9139276, 9768326, 11424095, 19536652, 22848190, 24420815, 37296433, 45696380, 48841630, 74592866, 97683260, 149185732, 186482165, 372964330, 745928660, 20401148851, 40802297702, 81604595404, 102005744255, 204011488510, 408022977020]

約数ペア:

[(1, 408022977020), (2, 204011488510), (4, 102005744255), (5, 81604595404), (10, 40802297702), (20, 20401148851), (547, 745928660), (1094, 372964330), (2188, 186482165), (2735, 149185732), (4177, 97683260), (5470, 74592866), (8354, 48841630), (8929, 45696380), (10940, 37296433), (16708, 24420815), (17858, 22848190), (20885, 19536652), (35716, 11424095), (41770, 9768326), (44645, 9139276), (83540, 4884163), (89290, 4569638), (178580, 2284819)]