140243840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1811}}^1$

素因数の和:1852

約数の個数: 96

約数和(自身を含む): 368723880

約数和(自身を除く): 228480040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1408, 1760, 1811, 1936, 2420, 3520, 3622, 3872, 4840, 7040, 7244, 7744, 9055, 9680, 14488, 15488, 18110, 19360, 19921, 28976, 36220, 38720, 39842, 57952, 72440, 77440, 79684, 99605, 115904, 144880, 159368, 199210, 219131, 231808, 289760, 318736, 398420, 438262, 579520, 637472, 796840, 876524, 1095655, 1159040, 1274944, 1593680, 1753048, 2191310, 2549888, 3187360, 3506096, 4382620, 6374720, 7012192, 8765240, 12749440, 14024384, 17530480, 28048768, 35060960, 70121920, 140243840]

約数ペア:

[(1, 140243840), (2, 70121920), (4, 35060960), (5, 28048768), (8, 17530480), (10, 14024384), (11, 12749440), (16, 8765240), (20, 7012192), (22, 6374720), (32, 4382620), (40, 3506096), (44, 3187360), (55, 2549888), (64, 2191310), (80, 1753048), (88, 1593680), (110, 1274944), (121, 1159040), (128, 1095655), (160, 876524), (176, 796840), (220, 637472), (242, 579520), (320, 438262), (352, 398420), (440, 318736), (484, 289760), (605, 231808), (640, 219131), (704, 199210), (880, 159368), (968, 144880), (1210, 115904), (1408, 99605), (1760, 79684), (1811, 77440), (1936, 72440), (2420, 57952), (3520, 39842), (3622, 38720), (3872, 36220), (4840, 28976), (7040, 19921), (7244, 19360), (7744, 18110), (9055, 15488), (9680, 14488)]