13279700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 33581184

約数和(自身を除く): 20301484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 311, 350, 427, 610, 622, 700, 854, 1220, 1244, 1525, 1555, 1708, 2135, 2177, 3050, 3110, 4270, 4354, 6100, 6220, 7775, 8540, 8708, 10675, 10885, 15550, 18971, 21350, 21770, 31100, 37942, 42700, 43540, 54425, 75884, 94855, 108850, 132797, 189710, 217700, 265594, 379420, 474275, 531188, 663985, 948550, 1327970, 1897100, 2655940, 3319925, 6639850, 13279700]

約数ペア:

[(1, 13279700), (2, 6639850), (4, 3319925), (5, 2655940), (7, 1897100), (10, 1327970), (14, 948550), (20, 663985), (25, 531188), (28, 474275), (35, 379420), (50, 265594), (61, 217700), (70, 189710), (100, 132797), (122, 108850), (140, 94855), (175, 75884), (244, 54425), (305, 43540), (311, 42700), (350, 37942), (427, 31100), (610, 21770), (622, 21350), (700, 18971), (854, 15550), (1220, 10885), (1244, 10675), (1525, 8708), (1555, 8540), (1708, 7775), (2135, 6220), (2177, 6100), (3050, 4354), (3110, 4270)]