199807790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4522

約数の個数: 64

約数和(自身を含む): 451785600

約数和(自身を除く): 251977810

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 455, 490, 637, 686, 910, 1274, 1715, 3185, 3430, 4459, 4481, 6370, 8918, 8962, 22295, 22405, 31367, 44590, 44810, 58253, 62734, 116506, 156835, 219569, 291265, 313670, 407771, 439138, 582530, 815542, 1097845, 1536983, 2038855, 2195690, 2854397, 3073966, 4077710, 5708794, 7684915, 14271985, 15369830, 19980779, 28543970, 39961558, 99903895, 199807790]

約数ペア:

[(1, 199807790), (2, 99903895), (5, 39961558), (7, 28543970), (10, 19980779), (13, 15369830), (14, 14271985), (26, 7684915), (35, 5708794), (49, 4077710), (65, 3073966), (70, 2854397), (91, 2195690), (98, 2038855), (130, 1536983), (182, 1097845), (245, 815542), (343, 582530), (455, 439138), (490, 407771), (637, 313670), (686, 291265), (910, 219569), (1274, 156835), (1715, 116506), (3185, 62734), (3430, 58253), (4459, 44810), (4481, 44590), (6370, 31367), (8918, 22405), (8962, 22295)]