129128900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{2441}}^1$

素因数の和:2501

約数の個数: 54

約数和(自身を含む): 293042442

約数和(自身を除く): 163913542

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 529, 575, 1058, 1150, 2116, 2300, 2441, 2645, 4882, 5290, 9764, 10580, 12205, 13225, 24410, 26450, 48820, 52900, 56143, 61025, 112286, 122050, 224572, 244100, 280715, 561430, 1122860, 1291289, 1403575, 2582578, 2807150, 5165156, 5614300, 6456445, 12912890, 25825780, 32282225, 64564450, 129128900]

約数ペア:

[(1, 129128900), (2, 64564450), (4, 32282225), (5, 25825780), (10, 12912890), (20, 6456445), (23, 5614300), (25, 5165156), (46, 2807150), (50, 2582578), (92, 1403575), (100, 1291289), (115, 1122860), (230, 561430), (460, 280715), (529, 244100), (575, 224572), (1058, 122050), (1150, 112286), (2116, 61025), (2300, 56143), (2441, 52900), (2645, 48820), (4882, 26450), (5290, 24410), (9764, 13225), (10580, 12205)]