278360560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{119983}}^1$

素因数の和:120025

約数の個数: 40

約数和(自身を含む): 669510720

約数和(自身を除く): 391150160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 119983, 239966, 479932, 599915, 959864, 1199830, 1919728, 2399660, 3479507, 4799320, 6959014, 9598640, 13918028, 17397535, 27836056, 34795070, 55672112, 69590140, 139180280, 278360560]

約数ペア:

[(1, 278360560), (2, 139180280), (4, 69590140), (5, 55672112), (8, 34795070), (10, 27836056), (16, 17397535), (20, 13918028), (29, 9598640), (40, 6959014), (58, 4799320), (80, 3479507), (116, 2399660), (145, 1919728), (232, 1199830), (290, 959864), (464, 599915), (580, 479932), (1160, 239966), (2320, 119983)]