299514640

素因数分解:

$2^4\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{2417}}^1$

素因数の和:3979

約数の個数: 40

約数和(自身を含む): 697109400

約数和(自身を除く): 397594760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549, 2417, 3098, 4834, 6196, 7745, 9668, 12085, 12392, 15490, 19336, 24170, 24784, 30980, 38672, 48340, 61960, 96680, 123920, 193360, 3743933, 7487866, 14975732, 18719665, 29951464, 37439330, 59902928, 74878660, 149757320, 299514640]

約数ペア:

[(1, 299514640), (2, 149757320), (4, 74878660), (5, 59902928), (8, 37439330), (10, 29951464), (16, 18719665), (20, 14975732), (40, 7487866), (80, 3743933), (1549, 193360), (2417, 123920), (3098, 96680), (4834, 61960), (6196, 48340), (7745, 38672), (9668, 30980), (12085, 24784), (12392, 24170), (15490, 19336)]