6886820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 15104880

約数和(自身を除く): 8218060

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 89, 106, 146, 178, 212, 265, 292, 356, 365, 445, 530, 730, 890, 1060, 1460, 1780, 3869, 4717, 6497, 7738, 9434, 12994, 15476, 18868, 19345, 23585, 25988, 32485, 38690, 47170, 64970, 77380, 94340, 129940, 344341, 688682, 1377364, 1721705, 3443410, 6886820]

約数ペア:

[(1, 6886820), (2, 3443410), (4, 1721705), (5, 1377364), (10, 688682), (20, 344341), (53, 129940), (73, 94340), (89, 77380), (106, 64970), (146, 47170), (178, 38690), (212, 32485), (265, 25988), (292, 23585), (356, 19345), (365, 18868), (445, 15476), (530, 12994), (730, 9434), (890, 7738), (1060, 6497), (1460, 4717), (1780, 3869)]