199297840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18731}}^1$

素因数の和:18770

約数の個数: 80

約数和(自身を含む): 557464320

約数和(自身を除く): 358166480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 18731, 37462, 74924, 93655, 131117, 149848, 187310, 262234, 299696, 355889, 374620, 524468, 655585, 711778, 749240, 1048936, 1311170, 1423556, 1498480, 1779445, 2097872, 2491223, 2622340, 2847112, 3558890, 4982446, 5244680, 5694224, 7117780, 9964892, 10489360, 12456115, 14235560, 19929784, 24912230, 28471120, 39859568, 49824460, 99648920, 199297840]

約数ペア:

[(1, 199297840), (2, 99648920), (4, 49824460), (5, 39859568), (7, 28471120), (8, 24912230), (10, 19929784), (14, 14235560), (16, 12456115), (19, 10489360), (20, 9964892), (28, 7117780), (35, 5694224), (38, 5244680), (40, 4982446), (56, 3558890), (70, 2847112), (76, 2622340), (80, 2491223), (95, 2097872), (112, 1779445), (133, 1498480), (140, 1423556), (152, 1311170), (190, 1048936), (266, 749240), (280, 711778), (304, 655585), (380, 524468), (532, 374620), (560, 355889), (665, 299696), (760, 262234), (1064, 187310), (1330, 149848), (1520, 131117), (2128, 93655), (2660, 74924), (5320, 37462), (10640, 18731)]