721000272

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{100811}}^1$

素因数の和:100971

約数の個数: 40

約数和(自身を含む): 1875103200

約数和(自身を除く): 1154102928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 3576, 7152, 100811, 201622, 302433, 403244, 604866, 806488, 1209732, 1612976, 2419464, 4838928, 15020839, 30041678, 45062517, 60083356, 90125034, 120166712, 180250068, 240333424, 360500136, 721000272]

約数ペア:

[(1, 721000272), (2, 360500136), (3, 240333424), (4, 180250068), (6, 120166712), (8, 90125034), (12, 60083356), (16, 45062517), (24, 30041678), (48, 15020839), (149, 4838928), (298, 2419464), (447, 1612976), (596, 1209732), (894, 806488), (1192, 604866), (1788, 403244), (2384, 302433), (3576, 201622), (7152, 100811)]