201980397520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{846949}}^1$

素因数の和:847244

約数の個数: 80

約数和(自身を含む): 514186732800

約数和(自身を除く): 312206335280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 271, 440, 542, 880, 1084, 1355, 2168, 2710, 2981, 4336, 5420, 5962, 10840, 11924, 14905, 21680, 23848, 29810, 47696, 59620, 119240, 238480, 846949, 1693898, 3387796, 4234745, 6775592, 8469490, 9316439, 13551184, 16938980, 18632878, 33877960, 37265756, 46582195, 67755920, 74531512, 93164390, 149063024, 186328780, 229523179, 372657560, 459046358, 745315120, 918092716, 1147615895, 1836185432, 2295231790, 2524754969, 3672370864, 4590463580, 5049509938, 9180927160, 10099019876, 12623774845, 18361854320, 20198039752, 25247549690, 40396079504, 50495099380, 100990198760, 201980397520]

約数ペア:

[(1, 201980397520), (2, 100990198760), (4, 50495099380), (5, 40396079504), (8, 25247549690), (10, 20198039752), (11, 18361854320), (16, 12623774845), (20, 10099019876), (22, 9180927160), (40, 5049509938), (44, 4590463580), (55, 3672370864), (80, 2524754969), (88, 2295231790), (110, 1836185432), (176, 1147615895), (220, 918092716), (271, 745315120), (440, 459046358), (542, 372657560), (880, 229523179), (1084, 186328780), (1355, 149063024), (2168, 93164390), (2710, 74531512), (2981, 67755920), (4336, 46582195), (5420, 37265756), (5962, 33877960), (10840, 18632878), (11924, 16938980), (14905, 13551184), (21680, 9316439), (23848, 8469490), (29810, 6775592), (47696, 4234745), (59620, 3387796), (119240, 1693898), (238480, 846949)]