200399408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2237}}^1$

素因数の和:2765

約数の個数: 40

約数和(自身を含む): 424593360

約数和(自身を除く): 224193952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 509, 1018, 2036, 2237, 4072, 4474, 5599, 8144, 8948, 11198, 17896, 22396, 24607, 35792, 44792, 49214, 89584, 98428, 196856, 393712, 1138633, 2277266, 4554532, 9109064, 12524963, 18218128, 25049926, 50099852, 100199704, 200399408]

約数ペア:

[(1, 200399408), (2, 100199704), (4, 50099852), (8, 25049926), (11, 18218128), (16, 12524963), (22, 9109064), (44, 4554532), (88, 2277266), (176, 1138633), (509, 393712), (1018, 196856), (2036, 98428), (2237, 89584), (4072, 49214), (4474, 44792), (5599, 35792), (8144, 24607), (8948, 22396), (11198, 17896)]