199356780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474659}}^1$

素因数の和:474678

約数の個数: 48

約数和(自身を含む): 637943040

約数和(自身を除く): 438586260

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, 474659, 949318, 1423977, 1898636, 2373295, 2847954, 3322613, 4746590, 5695908, 6645226, 7119885, 9493180, 9967839, 13290452, 14239770, 16613065, 19935678, 28479540, 33226130, 39871356, 49839195, 66452260, 99678390, 199356780]

約数ペア:

[(1, 199356780), (2, 99678390), (3, 66452260), (4, 49839195), (5, 39871356), (6, 33226130), (7, 28479540), (10, 19935678), (12, 16613065), (14, 14239770), (15, 13290452), (20, 9967839), (21, 9493180), (28, 7119885), (30, 6645226), (35, 5695908), (42, 4746590), (60, 3322613), (70, 2847954), (84, 2373295), (105, 1898636), (140, 1423977), (210, 949318), (420, 474659)]