489397740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{627433}}^1$

素因数の和:627458

約数の個数: 48

約数和(自身を含む): 1475724768

約数和(自身を除く): 986327028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 627433, 1254866, 1882299, 2509732, 3137165, 3764598, 6274330, 7529196, 8156629, 9411495, 12548660, 16313258, 18822990, 24469887, 32626516, 37645980, 40783145, 48939774, 81566290, 97879548, 122349435, 163132580, 244698870, 489397740]

約数ペア:

[(1, 489397740), (2, 244698870), (3, 163132580), (4, 122349435), (5, 97879548), (6, 81566290), (10, 48939774), (12, 40783145), (13, 37645980), (15, 32626516), (20, 24469887), (26, 18822990), (30, 16313258), (39, 12548660), (52, 9411495), (60, 8156629), (65, 7529196), (78, 6274330), (130, 3764598), (156, 3137165), (195, 2509732), (260, 1882299), (390, 1254866), (780, 627433)]