199820460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{475763}}^1$

素因数の和:475782

約数の個数: 48

約数和(自身を含む): 639426816

約数和(自身を除く): 439606356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 475763, 951526, 1427289, 1903052, 2378815, 2854578, 3330341, 4757630, 5709156, 6660682, 7136445, 9515260, 9991023, 13321364, 14272890, 16651705, 19982046, 28545780, 33303410, 39964092, 49955115, 66606820, 99910230, 199820460]

約数ペア:

[(1, 199820460), (2, 99910230), (3, 66606820), (4, 49955115), (5, 39964092), (6, 33303410), (7, 28545780), (10, 19982046), (12, 16651705), (14, 14272890), (15, 13321364), (20, 9991023), (21, 9515260), (28, 7136445), (30, 6660682), (35, 5709156), (42, 4757630), (60, 3330341), (70, 2854578), (84, 2378815), (105, 1903052), (140, 1427289), (210, 951526), (420, 475763)]