51720970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 115084800

約数和(自身を除く): 63363830

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 343, 490, 595, 686, 833, 887, 1190, 1666, 1715, 1774, 3430, 4165, 4435, 5831, 6209, 8330, 8870, 11662, 12418, 15079, 29155, 30158, 31045, 43463, 58310, 62090, 75395, 86926, 105553, 150790, 211106, 217315, 304241, 434630, 527765, 608482, 738871, 1055530, 1477742, 1521205, 3042410, 3694355, 5172097, 7388710, 10344194, 25860485, 51720970]

約数ペア:

[(1, 51720970), (2, 25860485), (5, 10344194), (7, 7388710), (10, 5172097), (14, 3694355), (17, 3042410), (34, 1521205), (35, 1477742), (49, 1055530), (70, 738871), (85, 608482), (98, 527765), (119, 434630), (170, 304241), (238, 217315), (245, 211106), (343, 150790), (490, 105553), (595, 86926), (686, 75395), (833, 62090), (887, 58310), (1190, 43463), (1666, 31045), (1715, 30158), (1774, 29155), (3430, 15079), (4165, 12418), (4435, 11662), (5831, 8870), (6209, 8330)]