201888100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{1201}}^1$

素因数の和:1297

約数の個数: 54

約数和(自身を含む): 449416982

約数和(自身を除く): 247528882

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1201, 1681, 2050, 2402, 3362, 4100, 4804, 6005, 6724, 8405, 12010, 16810, 24020, 30025, 33620, 42025, 49241, 60050, 84050, 98482, 120100, 168100, 196964, 246205, 492410, 984820, 1231025, 2018881, 2462050, 4037762, 4924100, 8075524, 10094405, 20188810, 40377620, 50472025, 100944050, 201888100]

約数ペア:

[(1, 201888100), (2, 100944050), (4, 50472025), (5, 40377620), (10, 20188810), (20, 10094405), (25, 8075524), (41, 4924100), (50, 4037762), (82, 2462050), (100, 2018881), (164, 1231025), (205, 984820), (410, 492410), (820, 246205), (1025, 196964), (1201, 168100), (1681, 120100), (2050, 98482), (2402, 84050), (3362, 60050), (4100, 49241), (4804, 42025), (6005, 33620), (6724, 30025), (8405, 24020), (12010, 16810)]