393156660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504047}}^1$

素因数の和:504072

約数の個数: 48

約数和(自身を含む): 1185520896

約数和(自身を除く): 792364236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 504047, 1008094, 1512141, 2016188, 2520235, 3024282, 5040470, 6048564, 6552611, 7560705, 10080940, 13105222, 15121410, 19657833, 26210444, 30242820, 32763055, 39315666, 65526110, 78631332, 98289165, 131052220, 196578330, 393156660]

約数ペア:

[(1, 393156660), (2, 196578330), (3, 131052220), (4, 98289165), (5, 78631332), (6, 65526110), (10, 39315666), (12, 32763055), (13, 30242820), (15, 26210444), (20, 19657833), (26, 15121410), (30, 13105222), (39, 10080940), (52, 7560705), (60, 6552611), (65, 6048564), (78, 5040470), (130, 3024282), (156, 2520235), (195, 2016188), (260, 1512141), (390, 1008094), (780, 504047)]