69804980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2531}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 168448896

約数和(自身を除く): 98643916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2531, 2758, 3940, 5062, 5516, 6895, 10124, 12655, 13790, 17717, 25310, 27580, 35434, 50620, 70868, 88585, 177170, 354340, 498607, 997214, 1994428, 2493035, 3490249, 4986070, 6980498, 9972140, 13960996, 17451245, 34902490, 69804980]

約数ペア:

[(1, 69804980), (2, 34902490), (4, 17451245), (5, 13960996), (7, 9972140), (10, 6980498), (14, 4986070), (20, 3490249), (28, 2493035), (35, 1994428), (70, 997214), (140, 498607), (197, 354340), (394, 177170), (788, 88585), (985, 70868), (1379, 50620), (1970, 35434), (2531, 27580), (2758, 25310), (3940, 17717), (5062, 13790), (5516, 12655), (6895, 10124)]