140440960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19949}}^1$

素因数の和:19979

約数の個数: 64

約数和(自身を含む): 366282000

約数和(自身を除く): 225841040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 19949, 39898, 79796, 99745, 159592, 199490, 219439, 319184, 398980, 438878, 638368, 797960, 877756, 1097195, 1276736, 1595920, 1755512, 2194390, 2553472, 3191840, 3511024, 4388780, 6383680, 7022048, 8777560, 12767360, 14044096, 17555120, 28088192, 35110240, 70220480, 140440960]

約数ペア:

[(1, 140440960), (2, 70220480), (4, 35110240), (5, 28088192), (8, 17555120), (10, 14044096), (11, 12767360), (16, 8777560), (20, 7022048), (22, 6383680), (32, 4388780), (40, 3511024), (44, 3191840), (55, 2553472), (64, 2194390), (80, 1755512), (88, 1595920), (110, 1276736), (128, 1097195), (160, 877756), (176, 797960), (220, 638368), (320, 438878), (352, 398980), (440, 319184), (640, 219439), (704, 199490), (880, 159592), (1408, 99745), (1760, 79796), (3520, 39898), (7040, 19949)]