289704220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{1879}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 656631360

約数和(自身を除く): 366927140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 593, 1186, 1879, 2372, 2965, 3758, 5930, 7516, 7709, 9395, 11860, 15418, 18790, 24427, 30836, 37580, 38545, 48854, 77090, 97708, 122135, 154180, 244270, 488540, 1114247, 2228494, 4456988, 5571235, 11142470, 14485211, 22284940, 28970422, 57940844, 72426055, 144852110, 289704220]

約数ペア:

[(1, 289704220), (2, 144852110), (4, 72426055), (5, 57940844), (10, 28970422), (13, 22284940), (20, 14485211), (26, 11142470), (52, 5571235), (65, 4456988), (130, 2228494), (260, 1114247), (593, 488540), (1186, 244270), (1879, 154180), (2372, 122135), (2965, 97708), (3758, 77090), (5930, 48854), (7516, 38545), (7709, 37580), (9395, 30836), (11860, 24427), (15418, 18790)]