207920180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2179}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 471717120

約数和(自身を除く): 263796940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 367, 734, 1468, 1835, 2179, 3670, 4358, 4771, 7340, 8716, 9542, 10895, 19084, 21790, 23855, 28327, 43580, 47710, 56654, 95420, 113308, 141635, 283270, 566540, 799693, 1599386, 3198772, 3998465, 7996930, 10396009, 15993860, 20792018, 41584036, 51980045, 103960090, 207920180]

約数ペア:

[(1, 207920180), (2, 103960090), (4, 51980045), (5, 41584036), (10, 20792018), (13, 15993860), (20, 10396009), (26, 7996930), (52, 3998465), (65, 3198772), (130, 1599386), (260, 799693), (367, 566540), (734, 283270), (1468, 141635), (1835, 113308), (2179, 95420), (3670, 56654), (4358, 47710), (4771, 43580), (7340, 28327), (8716, 23855), (9542, 21790), (10895, 19084)]