319554340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{15319}}^1$

素因数の和:15484

約数の個数: 48

約数和(自身を含む): 772128000

約数和(自身を除く): 452573660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 15319, 20860, 30638, 61276, 76595, 107233, 153190, 214466, 306380, 428932, 536165, 1072330, 2144660, 2282531, 4565062, 9130124, 11412655, 15977717, 22825310, 31955434, 45650620, 63910868, 79888585, 159777170, 319554340]

約数ペア:

[(1, 319554340), (2, 159777170), (4, 79888585), (5, 63910868), (7, 45650620), (10, 31955434), (14, 22825310), (20, 15977717), (28, 11412655), (35, 9130124), (70, 4565062), (140, 2282531), (149, 2144660), (298, 1072330), (596, 536165), (745, 428932), (1043, 306380), (1490, 214466), (2086, 153190), (2980, 107233), (4172, 76595), (5215, 61276), (10430, 30638), (15319, 20860)]