281081668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3499}}^1$

素因数の和:3680

約数の個数: 48

約数和(自身を含む): 595840000

約数和(自身を除く): 314758332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 302, 532, 604, 1057, 2114, 2869, 3499, 4228, 5738, 6998, 11476, 13996, 20083, 24493, 40166, 48986, 66481, 80332, 97972, 132962, 265924, 465367, 528349, 930734, 1056698, 1861468, 2113396, 3698443, 7396886, 10038631, 14793772, 20077262, 40154524, 70270417, 140540834, 281081668]

約数ペア:

[(1, 281081668), (2, 140540834), (4, 70270417), (7, 40154524), (14, 20077262), (19, 14793772), (28, 10038631), (38, 7396886), (76, 3698443), (133, 2113396), (151, 1861468), (266, 1056698), (302, 930734), (532, 528349), (604, 465367), (1057, 265924), (2114, 132962), (2869, 97972), (3499, 80332), (4228, 66481), (5738, 48986), (6998, 40166), (11476, 24493), (13996, 20083)]