9001460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 20638800

約数和(自身を除く): 11637340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 389, 445, 778, 890, 1157, 1556, 1780, 1945, 2314, 3890, 4628, 5057, 5785, 7780, 10114, 11570, 20228, 23140, 25285, 34621, 50570, 69242, 101140, 138484, 173105, 346210, 450073, 692420, 900146, 1800292, 2250365, 4500730, 9001460]

約数ペア:

[(1, 9001460), (2, 4500730), (4, 2250365), (5, 1800292), (10, 900146), (13, 692420), (20, 450073), (26, 346210), (52, 173105), (65, 138484), (89, 101140), (130, 69242), (178, 50570), (260, 34621), (356, 25285), (389, 23140), (445, 20228), (778, 11570), (890, 10114), (1157, 7780), (1556, 5785), (1780, 5057), (1945, 4628), (2314, 3890)]