219345760

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^2\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 527158800

約数和(自身を除く): 307813040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 199, 332, 398, 415, 664, 796, 830, 995, 1328, 1592, 1660, 1990, 2656, 3184, 3320, 3980, 6368, 6640, 6889, 7960, 13280, 13778, 15920, 16517, 27556, 31840, 33034, 34445, 55112, 66068, 68890, 82585, 110224, 132136, 137780, 165170, 220448, 264272, 275560, 330340, 528544, 551120, 660680, 1102240, 1321360, 1370911, 2642720, 2741822, 5483644, 6854555, 10967288, 13709110, 21934576, 27418220, 43869152, 54836440, 109672880, 219345760]

約数ペア:

[(1, 219345760), (2, 109672880), (4, 54836440), (5, 43869152), (8, 27418220), (10, 21934576), (16, 13709110), (20, 10967288), (32, 6854555), (40, 5483644), (80, 2741822), (83, 2642720), (160, 1370911), (166, 1321360), (199, 1102240), (332, 660680), (398, 551120), (415, 528544), (664, 330340), (796, 275560), (830, 264272), (995, 220448), (1328, 165170), (1592, 137780), (1660, 132136), (1990, 110224), (2656, 82585), (3184, 68890), (3320, 66068), (3980, 55112), (6368, 34445), (6640, 33034), (6889, 31840), (7960, 27556), (13280, 16517), (13778, 15920)]