505830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 1308384

約数和(自身を除く): 802554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1297, 2594, 3891, 6485, 7782, 12970, 16861, 19455, 33722, 38910, 50583, 84305, 101166, 168610, 252915, 505830]

約数ペア:

[(1, 505830), (2, 252915), (3, 168610), (5, 101166), (6, 84305), (10, 50583), (13, 38910), (15, 33722), (26, 19455), (30, 16861), (39, 12970), (65, 7782), (78, 6485), (130, 3891), (195, 2594), (390, 1297)]