200430128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{823}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 402164736

約数和(自身を除く): 201734608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 491, 496, 823, 982, 1646, 1964, 3292, 3928, 6584, 7856, 13168, 15221, 25513, 30442, 51026, 60884, 102052, 121768, 204104, 243536, 404093, 408208, 808186, 1616372, 3232744, 6465488, 12526883, 25053766, 50107532, 100215064, 200430128]

約数ペア:

[(1, 200430128), (2, 100215064), (4, 50107532), (8, 25053766), (16, 12526883), (31, 6465488), (62, 3232744), (124, 1616372), (248, 808186), (491, 408208), (496, 404093), (823, 243536), (982, 204104), (1646, 121768), (1964, 102052), (3292, 60884), (3928, 51026), (6584, 30442), (7856, 25513), (13168, 15221)]