131173180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 283731840

約数和(自身を除く): 152558660

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1361, 1580, 2722, 4819, 5444, 6805, 9638, 13610, 19276, 24095, 27220, 48190, 83021, 96380, 107519, 166042, 215038, 332084, 415105, 430076, 537595, 830210, 1075190, 1660420, 2150380, 6558659, 13117318, 26234636, 32793295, 65586590, 131173180]

約数ペア:

[(1, 131173180), (2, 65586590), (4, 32793295), (5, 26234636), (10, 13117318), (20, 6558659), (61, 2150380), (79, 1660420), (122, 1075190), (158, 830210), (244, 537595), (305, 430076), (316, 415105), (395, 332084), (610, 215038), (790, 166042), (1220, 107519), (1361, 96380), (1580, 83021), (2722, 48190), (4819, 27220), (5444, 24095), (6805, 19276), (9638, 13610)]