397394340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{946177}}^1$

素因数の和:946196

約数の個数: 48

約数和(自身を含む): 1271663232

約数和(自身を除く): 874268892

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, 946177, 1892354, 2838531, 3784708, 4730885, 5677062, 6623239, 9461770, 11354124, 13246478, 14192655, 18923540, 19869717, 26492956, 28385310, 33116195, 39739434, 56770620, 66232390, 79478868, 99348585, 132464780, 198697170, 397394340]

約数ペア:

[(1, 397394340), (2, 198697170), (3, 132464780), (4, 99348585), (5, 79478868), (6, 66232390), (7, 56770620), (10, 39739434), (12, 33116195), (14, 28385310), (15, 26492956), (20, 19869717), (21, 18923540), (28, 14192655), (30, 13246478), (35, 11354124), (42, 9461770), (60, 6623239), (70, 5677062), (84, 4730885), (105, 3784708), (140, 2838531), (210, 1892354), (420, 946177)]