144839800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{103457}}^1$

素因数の和:103480

約数の個数: 48

約数和(自身を含む): 384863760

約数和(自身を除く): 240023960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 103457, 206914, 413828, 517285, 724199, 827656, 1034570, 1448398, 2069140, 2586425, 2896796, 3620995, 4138280, 5172850, 5793592, 7241990, 10345700, 14483980, 18104975, 20691400, 28967960, 36209950, 72419900, 144839800]

約数ペア:

[(1, 144839800), (2, 72419900), (4, 36209950), (5, 28967960), (7, 20691400), (8, 18104975), (10, 14483980), (14, 10345700), (20, 7241990), (25, 5793592), (28, 5172850), (35, 4138280), (40, 3620995), (50, 2896796), (56, 2586425), (70, 2069140), (100, 1448398), (140, 1034570), (175, 827656), (200, 724199), (280, 517285), (350, 413828), (700, 206914), (1400, 103457)]