279826820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{11827}}^1$

素因数の和:11869

約数の個数: 72

約数和(自身を含む): 727280064

約数和(自身を除く): 447453244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11827, 11830, 23654, 23660, 47308, 59135, 82789, 118270, 153751, 165578, 236540, 307502, 331156, 413945, 615004, 768755, 827890, 1076257, 1537510, 1655780, 1998763, 2152514, 3075020, 3997526, 4305028, 5381285, 7995052, 9993815, 10762570, 13991341, 19987630, 21525140, 27982682, 39975260, 55965364, 69956705, 139913410, 279826820]

約数ペア:

[(1, 279826820), (2, 139913410), (4, 69956705), (5, 55965364), (7, 39975260), (10, 27982682), (13, 21525140), (14, 19987630), (20, 13991341), (26, 10762570), (28, 9993815), (35, 7995052), (52, 5381285), (65, 4305028), (70, 3997526), (91, 3075020), (130, 2152514), (140, 1998763), (169, 1655780), (182, 1537510), (260, 1076257), (338, 827890), (364, 768755), (455, 615004), (676, 413945), (845, 331156), (910, 307502), (1183, 236540), (1690, 165578), (1820, 153751), (2366, 118270), (3380, 82789), (4732, 59135), (5915, 47308), (11827, 23660), (11830, 23654)]