669631760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1195771}}^1$

素因数の和:1195791

約数の個数: 40

約数和(自身を含む): 1779308736

約数和(自身を除く): 1109676976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1195771, 2391542, 4783084, 5978855, 8370397, 9566168, 11957710, 16740794, 19132336, 23915420, 33481588, 41851985, 47830840, 66963176, 83703970, 95661680, 133926352, 167407940, 334815880, 669631760]

約数ペア:

[(1, 669631760), (2, 334815880), (4, 167407940), (5, 133926352), (7, 95661680), (8, 83703970), (10, 66963176), (14, 47830840), (16, 41851985), (20, 33481588), (28, 23915420), (35, 19132336), (40, 16740794), (56, 11957710), (70, 9566168), (80, 8370397), (112, 5978855), (140, 4783084), (280, 2391542), (560, 1195771)]