188680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 437400

約数和(自身を除く): 248720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1780, 2120, 3560, 4717, 9434, 18868, 23585, 37736, 47170, 94340, 188680]

約数ペア:

[(1, 188680), (2, 94340), (4, 47170), (5, 37736), (8, 23585), (10, 18868), (20, 9434), (40, 4717), (53, 3560), (89, 2120), (106, 1780), (178, 1060), (212, 890), (265, 712), (356, 530), (424, 445)]