17618742740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{359713}}^1$

素因数の和:359832

約数の個数: 48

約数和(自身を含む): 38676449280

約数和(自身を除く): 21057706540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 24490, 48980, 359713, 719426, 1438852, 1798565, 3597130, 7194260, 11151103, 22302206, 28417327, 44604412, 55755515, 56834654, 111511030, 113669308, 142086635, 223022060, 284173270, 568346540, 880937137, 1761874274, 3523748548, 4404685685, 8809371370, 17618742740]

約数ペア:

[(1, 17618742740), (2, 8809371370), (4, 4404685685), (5, 3523748548), (10, 1761874274), (20, 880937137), (31, 568346540), (62, 284173270), (79, 223022060), (124, 142086635), (155, 113669308), (158, 111511030), (310, 56834654), (316, 55755515), (395, 44604412), (620, 28417327), (790, 22302206), (1580, 11151103), (2449, 7194260), (4898, 3597130), (9796, 1798565), (12245, 1438852), (24490, 719426), (48980, 359713)]