505180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1199520

約数和(自身を除く): 694340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 67, 116, 130, 134, 145, 260, 268, 290, 335, 377, 580, 670, 754, 871, 1340, 1508, 1742, 1885, 1943, 3484, 3770, 3886, 4355, 7540, 7772, 8710, 9715, 17420, 19430, 25259, 38860, 50518, 101036, 126295, 252590, 505180]

約数ペア:

[(1, 505180), (2, 252590), (4, 126295), (5, 101036), (10, 50518), (13, 38860), (20, 25259), (26, 19430), (29, 17420), (52, 9715), (58, 8710), (65, 7772), (67, 7540), (116, 4355), (130, 3886), (134, 3770), (145, 3484), (260, 1943), (268, 1885), (290, 1742), (335, 1508), (377, 1340), (580, 871), (670, 754)]